tailieunhanh - Statistical Methods for Survival Data Analysis 3rd phần 8

bằng cách sử dụngphương pháp lựa chọn theo từng bước. Dựa trên số liệu thống kê kiểm tra Hosmer-Lemeshow, các mô hình hồi quy có chức năng liên kết ngược bình thường cho phù hợp với dữ liệu (p: 0,4956), trong khi hai mô hình khác không (p: 0,0152 và | RECURRENT EVENTS MODELS 359 Table Tumor Recurrence Data for Patients with Bladder Cancer0 Treatment Group Follow-up Time nil ial Numbee al Size Recurrence Time 1 2 3 4 1 0 1 1 1 1 1 3 1 4 2 1 1 7 1 1 1 10 5 1 1 10 4 1 6 1 14 1 1 1 18 1 1 1 18 1 3 5 1 18 1 1 12 16 1 23 3 3 1 23 1 3 10 15 1 23 1 1 3 16 23 1 23 3 1 3 9 21 1 24 2 3 7 10 16 24 1 25 1 1 3 15 25 1 26 1 2 1 26 8 1 1 1 26 1 4 2 26 1 28 1 2 25 1 29 1 4 1 29 1 2 1 29 4 1 1 30 1 6 28 30 1 30 1 5 2 17 22 1 30 2 1 3 6 8 12 1 31 1 3 12 15 24 1 32 1 2 1 34 2 1 1 36 2 1 1 36 3 1 29 1 37 1 2 1 40 4 1 9 17 22 24 1 40 5 1 16 19 23 29 1 41 1 2 1 43 1 1 3 1 43 2 6 6 1 44 2 1 3 6 9 1 45 1 1 9 11 20 26 1 48 1 1 18 1 49 1 3 1 51 3 1 35 1 53 1 7 17 1 53 3 1 3 15 46 51 1 59 1 1 1 61 3 2 2 15 24 30 1 64 1 3 5 14 19 27 Continued overleaf 360 IDENTIFICATION OF PROGNOSTIC FACTORS RELATED TO SURVIVAL TIME Table Continued Treatment Group Follow-up Time Initial Numbzr al Size Recurrence Time 1 2 3 4 1 64 2 3 2 8 12 13 2 1 1 3 2 1 1 1 2 5 8 1 5 2 9 1 2 2 10 1 1 2 13 1 1 2 14 2 6 2 17 5 3 3 1 3 5 2 18 5 1 2 18 1 3 17 2 19 5 1 2 2 21 1 1 17 19 2 22 1 1 2 25 1 3 2 25 1 5 2 25 1 1 2 26 1 1 6 12 13 2 27 1 1 6 2 29 2 1 2 2 36 8 3 26 35 2 38 1 1 2 39 1 1 22 23 27 32 2 39 6 1 4 16 23 27 2 40 3 1 24 26 29 40 2 41 3 2 2 41 1 1 2 43 1 1 1 27 2 44 1 1 2 44 6 1 2 20 23 27 2 45 1 2 2 46 1 4 2 2 46 1 4 2 49 3 3 2 50 1 1 2 50 4 1 4 24 47 2 54 3 4 2 54 2 1 38 2 59 1 3 Source Wei et al 1989 and StatLib web site http datasets tumor. Treatment group 1 placebo 2 thioteps. Follow-up time and recurrence time are measured in months. Initial size is measured in centimeters. Initial number of 8 denotes eight or more initial tumors. RECURRENT EVENTS MODELS 361 Table Six of 86 Bladder Cancer Patients from the Tumor Recurrence Data Patient ID Treatment GroupTim Follow-up Time tial Init Number ial 1 Recurrence Time 2 3 4 1 1 9 1 2 2 0 59 1 1 3 1 14 2 6 3 4 0 18 1 1 12 16 5 1 26 1 1 6 12 13 6 0 53 3 1 3 15 46 51 Treatment group 0 .