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Table 3 Outcomes for incidence and degree of abdominal distension

From: Electroacupuncture for the prevention of postoperative gastrointestinal dysfunction in participants undergoing vascular laparotomy under general anesthesia: a randomized controlled trial

  EA group (N = 21) RT group (N = 21) t Z P
AD’s incidence 9 (42.8%) 16 (76.2%) 4.842   0.029
AD’s degree     −2.109 0.035
0 12 (57.1%) 5 (23.8%)    
1 0 (0%) 2 (4.6%)    
2 6 (28.6%) 7 (33.3%)    
3 3 (14.3%) 4 (19.0%)    
4 0 (0%) 3 (14.3%)    
  1. Data are shown as n (%)
  2. EA electroacupuncture, RT routine treatment, AD abdominal distension