Table 2 Patient group and characteristics according to period of observation
Patient group and characteristics | Period 1 | Period 2 | Period 3 |
|---|---|---|---|
Colorectal patients (n)a | 518 | 203 | 165 |
   Patient's age (median) | 68.0 | 70.0 | 65.0 |
   Women (%) | 49.0 | 46.8 | 49.7 |
   ASA score (median) | 2.0 | 2.0 | 2.0 |
   Emergency procedure (%) | 37.5 | 33.0 | 23.6 |
   Day-time operation (%) | 81.1 | 84.2 | 87.9 |
   Operation time (median) | 151 | 145 | 142 |
Gynaecology patients (n)b | 365 | 153 | 137 |
   Patient's age (median) | 53.0 | 55.0 | 55.0 |
   Women (%) | 100 | 100 | 100 |
   ASA score (median) | 1.0 | 2.0 | 2.0 |
   Emergency procedure (%) | 1.64 | 1.31 | 1.46 |
   Day-time operation (%) | 97.5 | 100 | 99.3 |
   Operation time (median) | 100 | 117 | 115 |
Obstetric (control) patients (n)c | 915 | 334 | 240 |
   Patient's age (median) | 31.0 | 31.0 | 31.0 |
   Women (%) | 100 | 100 | 100 |
   ASA score (median) | 1.0 | 2.0 | 2.0 |
   Emergency procedure (%) | 68.1 | 74.6 | 80.4 |
   Day-time operation (%) | 53.9 | 56.0 | 49.6 |
   Operation time (median) | 35.0 | 38.0 | 36.0 |