Table 3.
Surgical data
| Overall | Group 15 | Group 2 | Group 3 | Group 4 | Group 5 | Group 6 | Group 7 | Group 8 | Group 9 | |
| Surgery time14 | 53.58 ± 30.08 | 82.45 ± 23.442 | 59.00 ± 25.47 | 58.50 ± 21.16 | 55.00 ± 17.77 | 49.50 ± 12.45 | 45.50 ± 20.22 | 44.75 ± 18.67 | 45.25 ± 17.95 | 42.25 ± 13.52 |
| Blood loss1 | 12.70 ± 11.60 | 16.65 ± 9.96 | 12.55 ± 13.45 | 14.05 ± 14.55 | 13.70 ± 9.76 | 12.90 ± 12.01 | 11.60 ± 12.31 | 12.70 ± 12.23 | 11.60 ± 11.10 | 10.55 ± 9.83 |
| Complications3 | 8 | 3 | 1 | 2 | 0 | 1 | 0 | 0 | 1 | 0 |
1
One-way ANOVA;
2
Values are mean ± SD;
3
χ2 test;
4
Comparisons between groups were performed using ANOVA followed by Bonferroni’s test;
5
The operation time in group 1 was significantly longer than that in the other groups (F = 7.257, P = 0.000).