TABLE 2. Peroperative data of the patients.
| Characteristics | Year | Total (n=492) n(%) | ||||
| 2011 (n=84) n(%) | 2012 (n=92) n(%) | 2013 (n=6) n(%) | 2014 (n=98) n(%) | 2015 (= 112) n(%) | ||
| Conversion rate | 7(8.3%) | 4(4.3%) | 6(5.7%) | 3(3%) | 4(3.6%) | 24(4.9%) |
| Operative time (min) | ||||||
| <60 | 22(26.2%) | 15(16.3%) | 27(25.5%) | 22(22.4%) | 31(27.7%) | 117(23.8%) |
| 60-89 | 53(63.1%) | 73(79.3%) | 70(66.0%) | 75(76.5%) | 80(71.4%) | 351(71.3%) |
| ≥90 | 8(9.5%) | 5(5.4%) | 7(6.6%) | 2(2.0%) | 2(1.8%) | 24(4.9%) |
| Drainage | 22(26.2%) | 19(20.7%) | 29(27.4%) | 26(26.5%) | 32(28.6%) | 128(26%) |
| Hospital stay mean±SD (range) in days | 3.1±2.1(1-11) | 2.5±1(2-7) | 2.8±1.8(2-11) | 2.4±1.2(1-7) | 2.4±1.2(1-7) | 2.6±1.5(1-11) |