1994 to 2001 | 2001 to 2006 | 2007 to 2012 | P value | |
---|---|---|---|---|
Number of resections | 363 | 305 | 452 | |
Gender | Male 245 (67.5%) | Male 158 (51.8%) | Male 248 (54.9%) | <0.001 |
Female 118 (32.5%) | Female 147 (48.2%) | Female 204 (45.1%) | ||
Age | 51 (15 to 77) | 64 (9 to 84) | 65 (17 to 89) | <0.001 |
Body mass index | 22.8 (14 to 35) | 23.6 (15 to 36) | 24.4 (15 to 41) | <0.001 |
Nicotine | Not determined | Yes 56 (31.6%) | Yes 121 (27.5%) | Not significant |
No 121 (68.4%) | No 319 (72.5%) | |||
Not determined 128 | Not determined 12 | |||
ASA physical status | Not determined | I 13 (7.7%) | I 30 (6.9%) | Not significant |
II 106 (62.7%) | II 242 (55.8%) | |||
III 49 (29.0%) | III 153 (35.3%) | |||
IV 1 (0.6%) | IV 9 (2.1%) | |||
Not determined 136 | Not determined 18 | |||
Dignity of disease | Benign 226 (62.3%) | Benign 109 (35.7%) | Benign 163 (36.1%) | <0.001 |
Malignant 137 (37.7%) | Malignant 196 (64.3%) | Malignant 289 (63.9%) |