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Table 1 Demographic data and patient characteristics

From: Determining the effective dose of esketamine for mitigating pain during propofol injection by Dixon’s up-and-down method: a double-blind, prospective clinical study of drug dose response

Group

Number of cases

Age (yr)

Weight (kg)

BMI (kg/m2)

ASA (I/II cases)

Effective

14

36.4 ± 9.0

57.3 ± 5.8

22.1 ± 1.6

10/4

Ineffective

11

34.5 ± 6.7

56.7 ± 5.7

22.5 ± 1.0

8/3

  1. Values are expressed as mean ± SD or number of patients; BMI Body mass index, ASA American Society of Anesthesiologists physical status