Skip to main content

Table 1 General traits of the patients in test group and validation group

From: Effective prediction of postoperative complications for patients after open hepatectomy: a simplified scoring system based on perioperative parameters

Variables Categories Test set Validation set Total P value
Gender Male 103 32 135 0.104
Female 47 25 72  
Age   53.89 ± 12.38 54.32 ± 11.29   0.823
History of serious lung diseases No 147 57 204 0.563
Yes 3 0 3  
History of serious heart diseases No 143 54 197 1.000
Yes 7 3 10  
HBV No 86 33 119 1.000
Yes 64 24 88  
HCV No 148 57 205 1.000
Yes 2 0 2  
Hepatic cirrhosis No 86 34 120 0.875
Yes 64 23 87  
Diabetes No 138 52 190 0.785
Yes 12 5 17  
Tumor No 54 25 79 0.338
Yes 96 32 128  
Operative time (minutes)   239.94 ± 100.60 250.70 ± 114.00   0.517
Length of hospital (days)   19.79 ± 9.32 21.95 ± 11.13   0.160
  1. Note: HBV = hepatitis B virus; HCV = hepatitis C virus