Research Article

Development and Validation of a Nomogram Based on Noninvasive Liver Reserve and Fibrosis (PALBI and FIB-4) Model to Predict Posthepatectomy Liver Failure Grade B-C in Patients with Hepatocellular Carcinoma

Table 1

Base characteristics of patients in the training set (n = 383) and validation set (n = 191).

VariableTotalTraining set (n = 383)Validation set (n = 191) value

Sex (male vs. female)507/67 (88.3%/11.6%)338/45 (88.2%/11.7%)169/22 (88.4%/11.5%)0.384
Age (years)53.57 ± 11.7053.92 ± 11.5153.01 ± 12.010.375
Platelet count (×109/L)185.5 (137.7, 246.0)182 (138.0, 244.0)192.0 (137.0, 247.8)0.699
Serum albumin (g/L)37.5 ± 4.637.5 ± 4.737.5 ± 4.40.984
INR1.07 (1.01, 1.13)1.07 (1.02, 1.13)1.05 (0.99, 1.10)0.001
Serum ALT (U/L)33.0 (22.0, 47.0)32.0 (22.0, 48.0)34.0 (22.7, 43.0)0.896
Serum AST (U/L)37.0 (26.9, 54.0)37.0 (26.0, 56.0)35.0 (28.0, 51.0)0.625
Serum bilirubin (μmol/L)15.2 (11.7, 19.5)14.5 (11.3, 19.2)16.5 (12.6, 20.00)0.002
Serum ALP (IU/L)89.4 (68.0, 115.0)90.0 (68.0, 115.0)89.0 (67.0, 115.0)0.850
Serum γ-GGT (IU/L)57.0 (32.0, 115.3)61.0 (33.0, 117.8)53.6 (31.00, 113.0)0.267
Serum CR (mmol/L)78.0 (68.0, 89.0)77.4 (67.6, 89.0)77.4 (67.6, 89.0)0.719
AFP (≥400/<400 (ng/mL))177/397 (30.8%/69.1)110/273 (28.7/71.2)67/12 (35%/65.9%)0.126
Cirrhosis (yes/no)189/385 (32.9%/69.0%)128/255 (33.4%/66.5%)61/130 (31.9%/68.0)0.778
CSPH (yes/no)49/525 (8.5%/91.4%)31/352 (8%/91.9%)18/173 (9.4%/90.5%)0.635
Positive HBsAg (yes/no)480/90 (83.6%/16.3%)317/66 (82.7%/17.2%)163/28 (85.3%/14.6%)0.240
Tumour number (multiple/single)101/473 (17.5%/82.4%)75/308 (19.5%/80.4%)26/165 (13.6%/86.3%)0.082
Ascites (yes/no)45/529 (7.8%/92.1%)28/355 (7.3%92.6%)17/174 (8.9%/91.0%)0.513
Tumour size (cm)5.0 (2.8, 8.0)4.5 (2.5, 8.0)5.5 (3.1, 8.5)0.078
Blood loss (mL)265 (100, 700)250 (100, 600)300 (100, 800)0.219
Major hepatectomy (yes/no)210/364 (36.5%/63.4%)139/244 (36.2%/63.7%)71/120 (37.1%/62.8%)0.854
Microvascular invasion (yes/no)190/384 (33.1%/66.8%)113/270 (29.5%/70.4%)79/112 (41.3%/58.6%)0.005
PHLF (0/A vs. B/C)489/85 (85.1%/14.8%)324/59 (84.5%/15.4%)165/26 (86.3%/13.6%)0.619
Child–Pugh grade (A/B)510/64 (88.8%/11.1%)340/43 (88.7%/11.2%)139/21 (89.0%/10.9%)0.560
ALBI score−2.41 ± 0.40−2.42 ± 0.42−2.39 ± 0.380.400
MELD score5.58 (3.81, 7.42)5.61 (3.80, 7.38)5.52 (3.84, 7.47)0.582
APRI score0.53 (0.32, 0.86)0.54 (0.32, 0.87)0.53 (0.32, 0.86)0.903
PALBI score (≤−2.53/>2.53)−2.98 (−3.21–2.68)
485/89 (84.4%/15.5%)
−2.99 (−3.23–2.69)
328/55 (85.6%/14.3%)
−2.94 (-3.17–2.64)
157/34 (82.1%/17.8%)
0.151
FIB-4 score (<1.45/≥1.45)0.65 (0.42 1.04)
499/75 (86.9%/13.0%)
0.67 (0.43 1.05)
334/49 (87.2%/12.7%)
0.61 (0.39 0.99)
165/26 (86.3%/13.6%)
0.410

Abbreviations: INR, international normalised ratio; ALT, alanine aminotransferase; AST, aspartate aminotransferase; ALP, alkaline phosphatase; γ-GGT, γ-glutamyl transpeptidase; CR, creatinine; AFP, alpha fetoprotein; CSPH, clinically significant portal hypertension; HbsAg, hepatitis B surface antigen; PHLF, postoperative liver failure; ALBI, albumin-bilirubin; MELD, model for end-stage liver disease; APRI, aspartate aminotransferase to platelet ratio index; PALBI, platelet-albumin-bilirubin; FIB-4, fibrosis-4 index.