Clinical study of standard residual liver volume and transient elastography in predicting poor prognosis of patients after hemihepatectomy

Table 2 Comparison of the clinical features of the surgical safety group and liver dysfunction group (mean ± SD)

Variables	Total	Postoperative liver function		P value
		No liver dysfunction	Liver dysfunction
Sex
Male	19	12	7	1.000
Female	16	11	5
Age (yr)
< 60	20	14	6	0.721
≥ 60	15	9	6
BMI
< 24 kg/m2	21	13	8	0.721
> 24 kg/m2	14	10	4
BSA (m2)		1.71 ± 0.18	1.75 ± 0.16	0.514
WBC (× 109/L)		5.51 ± 2.39	5.19 ± 1.55	0.672
RBC (1012/L)		4.30 ± 0.65	4.61 ± 0.44	0.146
PLT (× 109/L)		126.17 ± 53.74	149.33 ± 79.83	0.314
ALB (g/L)		40.71 ± 4.23	39.63 ± 4.18	0.478
Scr (μmol/L)		76.98 ± 39.07	64.87 ± 10.63	0.303
ALT [U/L, M (QR)]		67.26 ± 94.41	46.58 ± 30.40	0.468
AST [U/L, M (QR)]		45.61 ± 23.63	58.00 ± 68.68	0.436
TB [umol/L, M (QR)]		15.63 ± 7.20	20.99 ± 8.36	0.056
GGT [U/L, M (QR)]		115.17 ± 112.78	124.00 ± 145.78	0.844
AFP [ng/mL, M (QR)]		9999.23 ± 25773.40	8545.66 ± 15372.77	0.859
PIVKA-II [μg/L, M (QR)]		1799.54 ± 5017.78	3574.73 ± 6543.79	0.378
PT (s)		12.59 ± 1.46	12.39 ± 1.04	0.682
INR (s)		1.10 ± 0.12	1.05 ± 0.11	0.227
LSM value (kPa)		20.34 ± 4.89	25.78 ± 5.38	0.005a
ICG R15 (%)		7.99 ± 5.13	11.96 ± 6.43	0.055
SRLV (L/m2)		0.349 ± 0.075	0.276 ± 0.036	0.003a
Tumor-localizing
Left half liver	15	10	5	1.000
Right half liver	20	13	7
Tumor diameter [cm, M (QR)]		6.63 ± 3.86	7.81 ± 4.91	0.436
Time of hepatic portal occlusion [min, M (QR)]		14.65 ± 19.42	15.75 ± 14.10	0.864
Intraoperative bleeding [mL, M (QR)]		908.70 ± 818.76	1541.67 ± 1612.57	0.130
Operation time (min)		176.30 ± 49.98	185.83 ± 72.89	0.651

^aP < 0.01 vs group of safe operation (no liver dysfunction) and liver dysfunction. PIVKA-II was abnormal prothrombin. BMI: Body mass index; BSA: Body surface area; WBC: White blood cell; RBC: Red blood cell; PLT: Platelet; ALB: Albumin; ALT: Alanine aminotransferase; AST: Aspartate aminotransferase; TB: Total bilirubin; GGT: γ-glutamyl transpeptidase; AFP: Alpha fetoprotein; PT: Prothrombin time; INR: International normalized ratio; LSM: Liver stiffness measure; ICG: Indocyanine green; SRLV: Standard residual liver volume.