Table 1. Patient characteristics.
| Total | 2017 | 2018 | p | |
|---|---|---|---|---|
| N | 191 | 94 | 97 | |
| Male | 114 | 52 | 62 | ns |
| Female | 76 | 42 | 34 | ns |
| Median age (range) | 68 (31–97) | 68 (38–97) | 70 (31–94) | ns |
| Mean BMI ± SD | 25.0 ± 3.5 | 26.0 ± 3.8 | 25.5 ± 2.9 | ns |
| ASA I | 62 | 32 | 30 | ns |
| ASA II | 85 | 41 | 44 | ns |
| ASA III | 35 | 17 | 18 | ns |
| ASA IV | 9 | 4 | 5 | ns |
| LRH | 58 | 28 | 30 | ns |
| LLH | 82 | 38 | 44 | ns |
| LRAR | 51 | 28 | 23 | ns |
| Stage I | 55 | 28 | 27 | ns |
| Stage II | 66 | 31 | 35 | ns |
| Stage III | 61 | 31 | 30 | ns |
| Stage IV | 9 | 4 | 5 | ns |
BMI, body mass index; SD, standard deviation; ASA, American Society of Anesthesiologists’ physical status classification; LLH, laparoscopic left hemicolectomy; LRH, laparoscopic right hemicolectomy; LRAR, laparoscopic rectal anterior resection.