| Group |  | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
A | B | Â | |||||||||
Mean | SD | Quartiles | Mean | SD | Quartiles | p* | |||||
 |  |  | 1st | 2nd | 3rd |  |  | 1st | 2nd | 3rd |  |
Operation duration (hours) | 4.5 | 1.2 | 3.5 | 4.5 | 5.5 | 4.0 | 1.4 | 3.5 | 4.0 | 4.0 | 0.006 |
Hospitalization (days) | 7.9 | 4.7 | 5.0 | 7.0 | 8.0 | 6.2 | 1.9 | 5.0 | 6.0 | 7.0 | 0.109 |
Lymph nodes (number) | 22.3 | 12.2 | 14.0 | 19.5 | 28.0 | 26.8 | 15.1 | 16.0 | 26.0 | 34.0 | 0.145 |