Characteristics | Group 1 (N = 30) | Group 2 (N = 30) | Mean difference |
Females, N (%) | 5 (16) | 3 (11) | 0 |
Age (yr), mean ± SD | 49 ± 3 | 53 ± 5 | 4 |
Body weight (kg), mean ± SD | 59 ± 6 | 57 ± 7 | 2 |
Surgery time (min), mean ± SD | 108.06 ± 9.081 | 104.6 ± 9.185 | 4.4 |
Maintenance time (min), mean ± SD | 82.83 ± 7.4 | 82 ± 7.14 | 0.83 |