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Table 1 Sociodemographic and clinical features of patients in four groups (N = 433)

From: Anesthetic effect of different doses of butorphanol in patients undergoing gastroscopy and colonoscopy

  Group A (N = 103) Group B (N = 116) Group C (N = 117) Group D (N = 97) F / χ 2 P
Age (year) 50 (41–55) 52 (41–58) 48 (42–55) 51 (43–58) 2.029 0.566
Male (%) 53 (51.5) 66 (56.9) 58 (49.6) 52 (53.6) 1.369 0.713
Weight (kg) 68 (61–75) 69 (64–75) 66 (60–74) 67 (60–73) 5.606 0.132
ASA grade (I/II/III) 73/29/1 75/40/1 74/42/1 75/20/1 7.847 0.250
Combined diabetes or hypertension (%) 9 (8.7) 12 (10.3) 8 (6.8) 7 (8.2) 2.836 0.970
Removal of polyps (%) 10 (9.7) 12 (10.3) 10 (8.5) 12 (12.4) 0.880 0.830
  1. The data are presented as the median and interquartile range (M (P25, P75) or mean ± standard deviation or numbers of patients. Group A: Butorphanol 2.5 μg/kg group; Group B: Butorphanol 5 μg/kg group; Group C: Butorphanol 7.5 μg/kg group; Group D: Butorphanol 10 μg/kg group; P: P value; F/χ2: F value or χ2