Table 1 The patient backgrounds of the derivation cohort and the validation cohort
From: A new risk calculation model for complications of hepatectomy in adults over 75
Factors | Derivation cohort | Validation cohort |
|---|---|---|
General background | ||
Age (years) | 78.3 ± 2.69 | 77.7 ± 2.28 |
Gender | ||
Female | 70 (31.97%) | 36 (36.00%) |
Male | 156 (69.03%) | 64 (64.00%) |
Comorbidity | ||
< 5 kinds of diseases | 149(65.93%) | 70(70.00%) |
≥ 5 kinds of diseases | 77(34.07%) | 30(30.00%) |
History of dementia | ||
No | 204(90.27%) | 89(89.00%) |
Yes | 22(9.73%) | 11(11.00%) |
History of anxiety/depression | ||
No | 210(92.92%) | 94(94.00%) |
Yes | 16(7.08%) | 6(6.00%) |
Weight loss | ||
No | 179(79.20%) | 81(81.00%) |
Yes | 47(20.80%) | 19(19.00%) |
Fatigue | ||
No | 65(28.76%) | 27(27.00%) |
Yes | 161(71.24%) | 73(73.00%) |
Diagnosis | ||
Malignant diseases | 183(80.97%) | 83(83.00%) |
Benign diseases | 43(19.03%) | 17(17.00%) |
Reoperation | ||
No | 220(97.35%) | 97(97.00%) |
Yes | 6(2.65%) | 3(3.00%) |
Blood test | ||
Albumin (g/L) | 38.18 ± 4.26 | 38.63 ± 4.74 |
Alpha-fetoprotein (ng/ml) | 723.44 ± 3160.87 | 445.61 ± 2514.44 |
Total bilirubin (μmol/L) | 17.65 ± 30.16 | 16.34 ± 22.30 |
Alkaline phosphatase (U/L) | 175.88 ± 208.13 | 154.77 ± 175.12 |
Hepatitis B surface antigen | ||
Negative | 156(69.03%) | 65(65.00%) |
Positive | 70(30.97%) | 35(35.00%) |
Hepatitis C surface antigen | ||
Negative | 212(93.81%) | 95(95.00%) |
Positive | 14(6.19%) | 5(5.00%) |
Cirrhosis | ||
No | 183(80.97%) | 78(78.00%) |
Yes | 43(19.03%) | 22(22.00%) |
Child–pugh | ||
A | 191(84.51%) | 87(87.00%) |
B | 35(15.49%) | 13(13.00%) |
BMI(kg/m2) | ||
< 18.5 | 44(19.47%) | 23(23.00%) |
≥ 18.5 | 182(80.53%) | 77(77.00%) |
Operation plan | ||
Adjacent organ resection | ||
No | 218(96.46%) | 95(95.00%) |
Yes | 8(3.54%) | 5(5.00%) |
Number of segments resected | ||
≤ 2 | 147(65.04%) | 66(66.00%) |
≥ 3 | 79(34.96%) | 34(34.00%) |
Resection style | ||
Nonanatomical | 107(47.35%) | 54(54.00%) |
Anatomical | 119(52.65%) | 46(46.00%) |
Operative duration (min) | ||
< 180 | 119(52.65%) | 53(53.00%) |
≥ 180 | 107(47.35%) | 47(47.00%) |
Blood loss (mL) | ||
≤ 800 | 210(92.92%) | 91(91.00%) |
> 800 | 16(7.08%) | 9(9.00%) |