51. Response to Letter Regarding Article, "Percutaneous Coronary Intervention at Centers With and Without On-Site Surgical Backup: An Updated Meta-Analysis of 23 Studies". Issue 7 (16th February 2016) Authors: Lee, Joo Myung; Hwang, Doyeon; Park, Jonghanne; Kim, Kyung-Jin; Ahn, Chul; Koo, Bon-Kwon Journal: Circulation Issue: Volume 133:Issue 7(2016) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
52. Response. (16th October 2017) Authors: Pelosof, Lorraine; Ahn, Chul; Schiller, Joan Journal: Journal of the National Cancer Institute Issue: Volume 110:Number 4(2018) Page Start: 435 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
53. Sample size and power analysis for stepped wedge cluster randomised trials with binary outcomes. Issue 2 (3rd April 2021) Authors: Wang, Jijia; Cao, Jing; Zhang, Song; Ahn, Chul Journal: Statistical theory and related fields Issue: Volume 5:Issue 2(2021) Page Start: 162 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
54. Sample size calculation for count outcomes in cluster randomization trials with varying cluster sizes. Issue 1 (2nd January 2020) Authors: Wang, Jijia; Zhang, Song; Ahn, Chul Journal: Communications in statistics Issue: Volume 49:Issue 1(2020) Page Start: 116 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
55. Sample size calculation for studies comparing binary outcomes using historical controls. Issue 2 (18th January 2013) Authors: Zhang, Song; Cao, Jing; Ahn, Chul Journal: Biometrical journal Issue: Volume 55:Issue 2(2013:Mar.) Page Start: 190 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
56. Sample size calculations for clustered and longitudinal outcomes in clinical research. (2014) Authors: Ahn, Chul; Heo, Moonseoung; Zhang, Song Record Type: Book Extent: 1 online resource, illustrations (black and white) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
57. Sample size calculations for time-averaged difference of longitudinal binary outcomes. Issue 1 (2nd January 2017) Authors: Lou, Ying; Cao, Jing; Zhang, Song; Ahn, Chul Journal: Communications in statistics Issue: Volume 46:Issue 1(2017) Page Start: 344 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
58. Sample size considerations for historical control studies with survival outcomes. Issue 4 (3rd July 2016) Authors: Zhu, Hong; Zhang, Song; Ahn, Chul Journal: Journal of biopharmaceutical statistics Issue: Volume 26:Issue 4(2016) Page Start: 657 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
59. Sample size considerations for matched‐pair cluster randomization design with incomplete observations of binary outcomes. (9th July 2021) Authors: Xu, Xiaohan; Zhu, Hong; Hoang, Anh Q.; Ahn, Chul Journal: Statistics in medicine Issue: Volume 40:Number 24(2021) Page Start: 5397 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
60. Sample size considerations for paired experimental design with incomplete observations of continuous outcomes. (February 2019) Authors: Zhu, Hong; Xu, Xiaohan; Ahn, Chul Journal: Statistical methods in medical research Issue: Volume 28:Number 2(2019) Page Start: 589 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗