TABLE 1.
Baseline demographic.
| P (n = 96) | PD (n = 95) | p-value | |
|---|---|---|---|
| Age (years) | 40.98 ± 10.89 | 41.96 ± 9.98 | 0.518 a |
| Sex | 0.943 b | ||
| Male | 49 | 48 | |
| Female | 47 | 47 | |
| Height (cm) | 165.77 ± 9.10 | 163.74 ± 8.01 | 0.105 a |
| BMI (kg/m2) | 22.06 ± 1.57 | 22.11 ± 1.49 | 0.825 a |
| ASA | 0.480 b | ||
| I | 14 | 15 | |
| II | 73 | 66 | |
| III | 9 | 14 | |
| Diagnosis | 0.719 b | ||
| Mixed hemorrhoids | 65 | 70 | |
| Perianal abscess | 9 | 6 | |
| Anal fistula | 19 | 15 | |
| Anal fissure | 3 | 4 | |
| Duration of anesthesia (min) | 56.98 ± 15.58 | 54.96 ± 16.79 | 0.390 a |
| Duration of surgery (min) | 33.06 ± 13.82 | 32.51 ± 14.79 | 0.788 a |
| Number of incisions (n) | 4.16 ± 3.39 | 4.39 ± 3.41 | 0.636 a |
| Perianal dose (mL) | 5.47 ± 2.52 | 5.81 ± 2.89 | 0.385 a |
| Intraoperative infusion volume (mL) | 251.04 ± 114.47 | 247.47 ± 107.36 | 0.824 a |
All values in the table represent the number or mean ± standard deviation.
BMI, body mass index; ASA, american society of anesthesiologists.
aIndicates that the p-value is derived from the Student’s t-test.
b
Indicates that the p-value is derived from the Pearson’s chi-squared test.