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Table 3 Univariate and multivariate linear regression analyses to identify the factors associated with blood loss during partial mastectomy

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

  Univariate Multivariate
Factor Coefficient Standard error P value Coefficient Standard error P value
Age, years 0.11 0.59 0.86 0.24 0.54 0.65
Operative time 1.11 0.14 < 0.001 1.03 0.14 < 0.001
Ephedrine use − 9.41 13.34 0.48 7.84 12.53 0.53
Phenylephrine use − 80.3 89.97 0.37 − 65.08 79.56 0.41
Atropine use − 27.85 14.05 0.049 2.8 13.63 0.84
Diclofenac suppository use − 11.55 26.65 0.67 − 15.53 24.01 0.52
Flurbiprofen axetil use − 2.07 11.84 0.86 3.07 10.96 0.78
Remifentanil use − 51.57 11.48 < 0.001 − 38.74 12.26 0.002
   n = 231
   R2/adj. R2 = 0.269/0.243
   P <  0.001
  1. R2/adj. R2 determination coefficient/adjusted determination coefficient
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