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Table 2 Demographic data for all participants

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 χ2 P
Age (years), mean ± SD 56.0 ± 11.31 56.8 ± 12.16 0.221   0.826
Gender (F),  % 23.8% 23.8% 0.130 0.641
Race (Han),  % 90.5% 85.7% 0.000 0.500
Married,  % 95.2% 100% 0.000 0.235
Retirement,  % 23.8% 23.8% 0.000 0.280
Illiteracy/yes,  % 4.8% 19.0% 0.980 0.472
Weight (kg), mean ± SD 65.6 ± 2.56 64.7 ± 1.16 1.467 0.150
Anesthesia time (h), mean ± SD 4.03 ± 0.35 4.19 ± 0.38 1.419 0.164
Surgery duration (h), mean ± SD 3.52 ± 0.28 3.43 ± 0.31 0.987 0.329
Opioids’ dosage (g), mean ± SD 0.86 ± 0.48 0.67 ± 0.66 1.067 0.292
  1. EA electroacupuncture, RT routine treatment