Yun-Chan Chi

Professor

  • 862 Citations
  • 10 h-Index
19942018
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Research Output 1994 2018

  • 862 Citations
  • 10 h-Index
  • 30 Article
  • 1 Review article
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Article
2018

Curtailed two-stage design for comparing two arms in randomized phase II clinical trials

Chen, C. M., Chi, Y-C. & Chang, H-M., 2018 Sep 3, In : Journal of Biopharmaceutical Statistics. 28, 5, p. 939-950 12 p.

Research output: Contribution to journalArticle

Two-stage Design
Phase II Clinical Trials
Clinical Trials
Randomized Controlled Trials
Investigational Therapies
2017

Power and sample size calculation for paired recurrent events data based on robust nonparametric tests

Su, P-F., Chung, C. H., Wang, Y. W., Chi, Y-C. & Chang, Y-J., 2017 May 20, In : Statistics in Medicine. 36, 11, p. 1823-1838 16 p.

Research output: Contribution to journalArticle

Sample Size Calculation
Robust Tests
Recurrent Events
Non-parametric test
Sample Size
2016
3 Citations (Scopus)
Bayesian Variable Selection
Probit Model
Gibbs Sampler
Variable Selection
Markov processes

Comparison of Several Confidence Intervals for Median Residual Lifetime with Left-truncated and Right-censored Data

Chi, Y-C., Tsai, T. H., Tu, Y-H. & Tsai, W. Y., 2016 Feb 7, In : Communications in Statistics: Simulation and Computation. 45, 2, p. 701-716 16 p.

Research output: Contribution to journalArticle

Residual Lifetime
Right-censored Data
Confidence interval
Empirical Likelihood
Small Sample Size

Confidence intervals for the ratio of two median residual lifetimes with left-truncated and right-censored data

Tsai, T. H., Tsai, W. Y., Chi, Y-C. & Chang, S-M., 2016 Mar 1, In : Biometrics. 72, 1, p. 232-241 10 p.

Research output: Contribution to journalArticle

Residual Lifetime
Right-censored Data
Probability density function
Confidence interval
confidence interval
2014
1 Citation (Scopus)

Marginal regression approach for additive hazards models with clustered current status data

Su, P-F. & Chi, Y-C., 2014 Jan 15, In : Statistics in Medicine. 33, 1, p. 46-58 13 p.

Research output: Contribution to journalArticle

Additive Hazards Model
Current Status Data
Clustered Data
Proportional Hazards Models
Epidemiology
2012
43 Citations (Scopus)

The Association between Enterovirus 71 Infections and Meteorological Parameters in Taiwan

Chang, H. L., Chio, C. P., Su, H-J., Liao, C. M., Lin, C. Y., Shau, W. Y., Chi, Y-C., Cheng, Y. T., Chou, Y. L., Li, C-Y., Chen, K. L. & Chen, K. T., 2012 Oct 5, In : PloS one. 7, 10, e46845.

Research output: Contribution to journalArticle

Enterovirus Infections
Enterovirus
meteorological parameters
Taiwan
Atmospheric humidity
2011
7 Citations (Scopus)

Analyzing survival curves at a fixed point in time for paired and clustered right-censored data

Su, P-F., Chi, Y-C., Li, C-I., Shyr, Y. & Liao, Y. D., 2011 Apr 1, In : Computational Statistics and Data Analysis. 55, 4, p. 1617-1628 12 p.

Research output: Contribution to journalArticle

Clustered Data
Right-censored Data
Curve
Survival Probability
Decision making

Statistical inference for clinical trials with binary responses when there is a shift in patient population

Yang, L. Y., Chi, Y-C. & Chow, S. C., 2011 May 1, In : Journal of Biopharmaceutical Statistics. 21, 3, p. 437-452 16 p.

Research output: Contribution to journalArticle

Binary Response
Statistical Inference
Clinical Trials
Clinical Protocols
Logistic Models
2010
572 Citations (Scopus)
Chronic Hepatitis B
Fibrosis
Hepatitis B e Antigens
Biopsy
Therapeutics
572 Citations (Scopus)

Long-term entecavir therapy results in the reversal of fibrosis/cirrhosis and continued histological improvement in patients with chronic hepatitis B

Chang, T-T., Liaw, Y. F., Wu, S. S., Schiff, E., Han, K. H., Lai, C. L., Safadi, R., Lee, S. S., Halota, W., Goodman, Z., Chi, Y-C., Zhang, H., Hindes, R., Iloeje, U., Beebe, S. & Kreter, B., 2010 Sep 1, In : Hepatology. 52, 3, p. 886-893 8 p.

Research output: Contribution to journalArticle

Chronic Hepatitis B
Fibrosis
Hepatitis B e Antigens
Biopsy
Therapeutics
4 Citations (Scopus)
Kaplan-Meier
Clustered Data
Right-censored Data
Statistics
Weights and Measures
2009
4 Citations (Scopus)

Sample size estimation based on event data for a two-stage survival adaptive trial with different durations

Lu, Q., Chow, S. C., Tse, S. K., Chi, Y-C. & Yang, L. Y., 2009 Mar 1, In : Journal of Biopharmaceutical Statistics. 19, 2, p. 311-323 13 p.

Research output: Contribution to journalArticle

Adaptive Design
Sample Size
Dose Finding
Sample Size Calculation
Treatment Effects
2008
10 Citations (Scopus)

Curtailed two-stage designs in phase II clinical trials

Chi, Y-C. & Chen, C. M., 2008 Dec 1, In : Statistics in Medicine. 27, 29, p. 6175-6189 15 p.

Research output: Contribution to journalArticle

Two-stage Design
Phase II Clinical Trials
Clinical Trials
Drugs
Pharmaceutical Preparations
14 Citations (Scopus)

Interval estimation of binomial proportion in clinical trials with a two-stage design

Tsai, W. Y., Chi, Y-C. & Chen, C. M., 2008 Jan 15, In : Statistics in Medicine. 27, 1, p. 15-35 21 p.

Research output: Contribution to journalArticle

Two-stage Design
Interval Estimation
Clinical Trials
Proportion
Binomial Distribution
2007
4 Citations (Scopus)

Testing the equality of two survival functions with right truncated data

Chi, Y-C., Tsai, W. Y. & Chiang, C. L., 2007 Feb 20, In : Statistics in Medicine. 26, 4, p. 812-827 16 p.

Research output: Contribution to journalArticle

Truncated Data
Survival Function
Equality
Truncation
Testing
2006
26 Citations (Scopus)

Simultaneous quantification and genotyping of hepatitis B virus for genotypes A to G by real-time PCR and two-step melting curve analysis

Liu, W. C., Mizokami, M., Buti, M., Lindh, M., Young, K-C., Sun, K. T., Chi, Y-C., Li, H. H. & Chang, T-T., 2006 Dec 1, In : Journal of Clinical Microbiology. 44, 12, p. 4491-4497 7 p.

Research output: Contribution to journalArticle

Hepatitis B virus
Freezing
Real-Time Polymerase Chain Reaction
Genotype
Viremia
2005
4 Citations (Scopus)

Multiple testing procedures based on weighted Kaplan-Meier statistics for right-censored survival data

Chi, Y-C., 2005 Jan 15, In : Statistics in Medicine. 24, 1, p. 23-35 13 p.

Research output: Contribution to journalArticle

Kaplan-Meier
Censored Survival Data
Right-censored Data
Multiple Testing
Statistics
2002
2 Citations (Scopus)

Comparison of several relative risk estimators with interval-censored data

Chi, Y-C. & Tseng, C. H., 2002 Aug 19, In : Biometrical Journal. 44, 2, p. 197-212 16 p.

Research output: Contribution to journalArticle

Interval-censored Data
Relative Risk
Estimator
Right-censored Data
Intuitive
19 Citations (Scopus)

Effects of educational intervention on changing parental practices for recurrent febrile convulsions in Taiwan

Huang, M-C., Liu, C-C., Chi, Y-C., Thomas, K. & Huang, C-C., 2002 Mar 21, In : Epilepsia. 43, 1, p. 81-86 6 p.

Research output: Contribution to journalArticle

Febrile Seizures
Taiwan
Parents
Pamphlets
Protective Devices
2 Citations (Scopus)

Ordered tests for right-censored survival data

Chi, Y-C., 2002 Jan 1, In : Australian and New Zealand Journal of Statistics. 44, 3, p. 367-380 14 p.

Research output: Contribution to journalArticle

Censored Survival Data
Right-censored Data
Kaplan-Meier
Log-rank Test
Ordered Alternatives
2001
18 Citations (Scopus)
Febrile Seizures
Pamphlets
Parents
Taiwan
Seizures
Interval-censored Data
Solar System
Sample Size
Simulation Study
Estimator
9 Citations (Scopus)
Kaplan-Meier
Hazards
Statistics
Log-rank Test
Alternatives
2000
1 Citation (Scopus)

Multiple comparisons between successive treatments for randomly right-censored survival data

Chen, Y. I. & Chi, Y-C., 2000 Jan 1, In : Journal of Statistical Planning and Inference. 83, 1, p. 137-151 15 p.

Research output: Contribution to journalArticle

Sample statistic
Censored Survival Data
Multiple Comparisons
Right-censored Data
Log-rank Statistic
1999
24 Citations (Scopus)

Prevention of chronic lung disease in preterm infants by early postnatal dexamethasone therapy

Lin, Y-J., Yeh, T. F., Hsieh, W. S., Chi, Y-C., Lin, H. C. & Lin, C-H., 1999 Jan 1, In : Pediatric Pulmonology. 27, 1, p. 21-26 6 p.

Research output: Contribution to journalArticle

Premature Infants
Dexamethasone
Lung Diseases
Chronic Disease
Therapeutics
53 Citations (Scopus)

Risk factors for a first febrile convulsion in children: A population study in southern Taiwan

Huang, C-C., Wang, S-T., Chang, Y. C., Huang, M-C., Chi, Y-C. & Tsai, J. J., 1999 Jun 15, In : Epilepsia. 40, 6, p. 719-725 7 p.

Research output: Contribution to journalArticle

Febrile Seizures
Taiwan
Population
Siblings
Fever
1998
8 Citations (Scopus)

Potential value of urinary intercellular adhesion molecule-1 determination in patients with bladder cancer

Chow, N-H., Cheng, C. J., Chi, Y-C., Liu, H-S., Tzai, T. S. & Lin, J. S. N., 1998 Dec 1, In : Urology. 52, 6, p. 1015-1019 5 p.

Research output: Contribution to journalArticle

Intercellular Adhesion Molecule-1
Urinary Bladder Neoplasms
Neoplasms
Urinary Bladder
Immunoassay
1 Citation (Scopus)

Urinary excretion of transforming growth factor-alpha in patients with transitional cell carcinoma

Chow, N-H., Liu, H-S., Chang, C-J., Chi, Y-C., Tzai, T. S., Li, E. I. C. & Lin, J. S. N., 1998 May, In : Anticancer Research. 18, 3 B, p. 2053-2057 5 p.

Research output: Contribution to journalArticle

Transforming Growth Factor alpha
Transitional Cell Carcinoma
Neoplasms
Urine
Epidermal Growth Factor Receptor
1994
32 Citations (Scopus)

Expression of c-erbB-2 protein in normal and neoplastic urothelium: Lack of adverse prognostic effect in human urinary bladder cancer

Lee, S. E., Chow, N-H., Chi, Y-C., Tzai, T. S., Yang, W-H. & Lin, S. N., 1994 Sep 6, In : Anticancer Research. 14, 3 B, p. 1317-1324 8 p.

Research output: Contribution to journalArticle

ErbB-2 Receptor
Urothelium
Urinary Bladder Neoplasms
Neoplasms
Recurrence