Group I: Propofol and Butorphanol (n = 95) | Group II: Propofol and Saline (n-99) | RR (95%CI) | P | |
---|---|---|---|---|
Primary outcome(%) | ||||
Visceral pain at 10 min after recovery | 17 (31.5) | 37(68.5) | 2.738(1.409–5.319) | 0.002 |
Pain level at 10 min after recovery(%) | NA | 0.006 | ||
No pain (0) | 78(82.1) | 62(62.6) | ||
mild pain (1–3) | 13(13.7) | 32(32.3) | ||
moderate pain (4–6) | 4(4.2) | 5(5.1) | ||
severe pain (7–10) | 0(0) | 0(0) | ||
Secondary outcome | ||||
Visceral pain at 20 min after recovery | 25(38.5) | 40(61.5) | 1.898(1.033–3.487) | 0.038 |
Visceral pain at 30 min after recovery | 22(37.9) | 36 (62.1) | 1.896(1.011–3.555) | 0.045 |
Propofol consumption (mg) | 200(170–280) | 250(200–320) | NA | 0.007 |
Hypotension (%) | 48(50.5) | 44(44.4) | 0.783(0.445- 1.378) | 0.396 |
Bradycardia (%) | 1(1.1) | 0(0) | 0.487(0.421- 0.563) | 0.984 |
Incidence of injection pain (%) | 7(7.4) | 12(12.1) | 1.734(0.652- 4.611) | 0.266 |
Operation time(min) | 15(12–21) | 16(10–25) | NA | 0.331 |
Recovery time (min) | 25(18–30) | 30(19–30) | NA | 0.417 |