Table 1. General characteristics of patients undergoing modified radical mastectomy (MRM) for cancer.
| Treatment group (n=41) | Placebo/control group (n=40) | P value | 95% confidence interval of the difference | ||
|---|---|---|---|---|---|
| Lower | Upper | ||||
| Age (years) | 49±7 | 51.7±8 | 0.13 | −0.82 | 6.30 |
| BMI (kg/m2) | 26.7±3.65 | 26.0±2.72 | 0.39 | −1.40 | 1.40 |
| Normal weight/overweight, n (%) | 33 (80.5%) | 35 (87.5%) | 0.64 | 0.67 | 0.85 |
| Obesity grade I and II (%) | 8 (19.5) | 5 (12.5%) | |||
| Allergies, n (%) | 1 (2.4%) | 2 (5%) | 0.52 | 0.64 | 0.84 |
| Diabetes or hypertension, n (%) | 3 (7.3%) | 4 (10%) | 0.67 | 0.76 | 0.92 |
| Smoking, n (%) | 4 (9.7%) | 6 (15%) | 0.47 | 0.20 | 0.40 |
| Neoadjuvant therapy, n (%) | 5 (12.2%) | 5 (12.5%) | 0.86 | 0.96 | 1.00 |
| Modified radical mastectomy, n (%) | 21 (51.2%) | 20 (50%) | 0.91 | 0.96 | 1.00 |
| Modified radical mastectomy with reconstruction, n (%) | 20 (48.8%) | 20 (50%) | |||
| Operative time (min) | 114.3±18.7 | 108.4±18.8 | 0.16 | −7.70 | 8.80 |
| Endotracheal tube removal time (min) | 139.0±20.6 | 135.2±25.6 | 0.4 | −5.30 | 13.70 |
| Bleeding (mL) | 123.0±28.9 | 120±27.1 | 0.64 | −2.30 | 16.80 |
| Time to removal of closed drainage system (days) | 7.2±1.3 | 7.0±1.2 | 0.48 | −0.78 | 0.60 |
Values are expressed as means ± standard deviation. BMI, body mass index.