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Table 1 Baseline characteristics of patients undergoing partial mastectomy

From: Protective effect of remifentanil on blood loss in endoscopic subcutaneous mastectomy: a retrospective study

  Partial mastectomy Quadrantectomy
Total Remifentanil Non-remifentanil P value Total Remifentanil Non-remifentanil P value
n = 231 n = 98 n = 133   n = 212 n = 56 n = 156  
Age, years 51 ± 12 51 ± 5 53 ± 7 0.43 52 ± 11 51 ± 11 52 ± 12 0.36
Body weight, kg 55 [50, 62] 55 [50, 60] 55 [50, 63] 0.51 55 [50, 62] 55 [50, 62] 56 [51, 61] 0.85
Height, cm 157 ± 6 157 ± 5 157 ± 7 0.85 156 ± 6 157 ± 7 156 ± 6 0.35
BMI, kg/m2 22.4 [20.3, 25.0] 22.4 [20.0, 25.4] 22.3 [20.4, 24.7] 0.72 22.4 [20.3, 25.0] 22.4 [20.3, 25.0] 22.7 [20.7, 25.3] 0.43
ASA-PS 1, n (%) 108/231 (47) 45/98 (46) 63/133 (47) 0.93 85/212 (40) 24/56 (43) 61/156 (39) 0.74
  1. BMI body mass index, ASA-PS American Society of Anesthesiologists physical status
  2. Continuous variables with normal distribution and with skewed distribution were expressed as mean ± SD and median [25%, 75%]. Categorical variable (ASA-PS) was expressed as number (%). Continuous variables were analyzed using Student’s t test or the Mann–Whitney U test along with the distribution of each variable as appropriate. Categorical variables were analyzed using Fisher exact test. Apart from ASA-PS 1, it was ASA-PS 2
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