Retrospective Study
Copyright ©2014 Baishideng Publishing Group Inc.
World J Gastroenterol. Jul 28, 2014; 20(28): 9556-9563
Published online Jul 28, 2014. doi: 10.3748/wjg.v20.i28.9556
Table 1 Main patient characteristics n (%)
Variables
Preoperative stage T1 (120 patients)
Sex, male79 (65.0)
Age (yr)
[median, (25th p-75th p)]68 (60-74)
Follow-up (mo)
[median, (25th p-75th p)]82 (48-144)
Operative time (min)
[median, (25th p-75th p)]70 (60-90)
Hospital stay (d)
[median, (25th p-75th p)]2 (2-3)
Definitive histology [n (%)]
pT1110 (91.7)
pT210 (8.3)
Stage T2 before radiotherapy (185 patients)
Sex, male120 (64.9)
Age (yr)
[median, (25th p-75th p)]68 (60-74)
Follow-up (mo)
[median, (25th p-75th p)]53 (32-125)
Operative time (min)
[median, (25th p-75th p)]70 (60-120)
Hospital stay (d)
[median, (25th p-75th p)]4 (3-5)
Post-radiotherapy stage
pT063 (34.1)
pT125 (13.5)
pT297 (52.4)
Stage T3 before radiotherapy (120 patients)
Sex, male70 (58.3)
Age (yr)
[median, (25th p-75th p)]69.5 (62.5-75)
Follow-up (mo)
[median, (25th p-75th p)]70 (42-133.5)
Operative time (min)
[median, (25th p-75th p)]90 (60-120)
Hospital stay (d)
[median, (25th p-75th p)]3 (3-4)
Postradiotherapy stage
pT017 (14.2)
pT113 (10.8)
pT249 (40.8)
pT341 (34.2)
Table 2 Cumulative probability of recurrence at the end of follow-up
Cumulative probabilityValue
Preoperative stage T1 (120 patients)
Follow-up: 253 moPatients with stage T1 before radiotherapy
Probability of death (95%CI)0.47 (0.21-0.64)
Events (n)22
Stage T2 before radiotherapy (185 patients)
Follow-up: 255 moPatients with stage T2 lesions before radiotherapy
Probability of local recurrence or0.13 (0.08-0.18)
metastasis (95%CI)
Events (n)21
Probability of cancer-specific death (95%CI)0.07 (0.03-0.12)
Events (n)10
Probability of death (95%CI)0.50 (0.21-0.68)
Events (n)33
Stage T3 before radiotherapy (120 patients)
Follow-up: 239 moPatients with stage T3 lesions before radiotherapy
Probability of local recurrence or0.12 (0.05-0.17)
metastasis (95%CI)
Events (n)13
Probability of cancer-specific death (95%CI)0.11 (0.06-0.17)
Events (n)11
Probability of death (95%CI)0.55 (0.33-0.70)
Events (n)33