Document Classification

Section Type: RESULTS

Text: Their were significant differences between observation and control groups in intraoperative blood loss (5. 071. 14 vs 2. 450. 57, P = 0. 000), pain (12 h after the surgery : 5. 081. 62 vs 7. 192. 01, P = 0. 000 ; at first dressing change : 2. 640. 87 vs 4. 341. 15, P = 0. 000 ; first defecation : 3. 911. 47 vs 5. 631. 98, P = 0. 001), urine retention (n = 22 vs n = 47, P = 0. 001), anal pendant expansion after the surgery (2. 350. 56 vs 5. 161. 42, P = 0. 000), operation time (18. 35. 6 min vs 29. 58. 2 min, P = 0. 000), and the length of hospital stay (5. 30. 6 d vs 11. 41. 8 d, P = 0. 000).