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Table 5 Multivariate linear regression model for some factors predicting intraoperative fluid absorption

From: Transurethral plasmakinetic resection versus enucleation for benign prostatic hyperplasia: comparison of intraoperative safety profiles based on endoscopic surgical monitoring system

  Predicted Model: F (6,121) = 38.64, p < 0.001
R = 0.81, R2 = 0.66, Adjusted R2 = 0.64
Unstandardized coefficients Standardized coefficients
B SE β p-value 95%CI for β
Constant 668.00 197.28   0.001* 277.44to1058.57
Surgery type
0 = PK-TURP, 1 = PK-EEP
 − 165.45 36.81  − 0.27  < 0.001*  − 238.32to − 92.59
Operation time (min) 6.69 0.71 0.62  < 0.001* 5.28to8.10
VSO + SCP
0 = None, 1 = Yes
206.46 53.62 0.24  < 0.001* 100.31to312.62
Prostate volume 1.39 0.69 0.13 0.045* 0.03to2.75
Age  − 3.01 2.25  − 0.07 0.182  − 7.46to1.43
BMI  − 6.72 4.98  − 0.07 0.180  − 16.58to3.14
  1. *Significance at p-value < 0.05
  2. R, multiple correlation coefficient; CI, confidence interval; min, minute; VSO + SCP, venous sinus opening or surgical capsule perforation