General data | Sufentanil group (n=59) | Control group (n=59) | t/χ2 | P |
---|---|---|---|---|
Age (year) | 41.28±5.39 | 42.33±4.89 | 1.108 | 0.27 |
BMI (kg/m2) | 22.15±1.36 | 21.87±1.05 | 1.252 | 0.213 |
Lesion length (cm) | 3.27±1.15 | 3.18±1.34 | 0.392 | 0.696 |
Operative time (min) | 111.24±13.29 | 115.62±12.74 | 1.827 | 0.070 |
Pathological grading | Â | Â | 0.719 | 0.698 |
 Grade I | 18 (30.51) | 20 (33.90) |  |  |
 Grade II | 24 (40.68) | 26 (44.07) |  |  |
 Grade III | 17 (28.81) | 13 (22.03) |  |  |
ASA grading | Â | Â | 0.546 | 0.460 |
 Grade I | 30 (50.85) | 34 (57.63) |  |  |
 Grade II | 29 (49.15) | 25 (42.37) |  |  |