Laparoscopic microwave ablation for hepatic hemangiomas with different locations: A comparative study

Table 1 Baseline comparison table in giant hepatic hemangioma group, mean ± SD/n (%)/median (interquartile rage)

	Liver subcapsular (n = 55)	Liver parenchymal (n = 17)	t/Z/χ2	P value
Age (years)	48.00 ± 9.12	47.47 ± 7.54	-0.217	0.829
Sex			0.872	0.350
Female	39 (72.72)	10 (58.82)
Male	16 (27.27)	7 (41.18)
BMI	24.26 ± 3.10	25.56 ± 3.48	1.469	0.146
Size (cm)	10.83 (10.33-13.80)	10.50 (10.11-10.90)	-1.711	0.087
Location of main lesion			3.535	0.060
Left lobe	18 (30.91)	1 (5.88)
Right lobe	37 (69.09)	16 (94.12)
Hepatitis B virus	3 (5.45)	0 (0)
Reasons for operation			0.062	0.804
Symptomatic	10 (18.2)	2 (11.8)
Enlargement	45 (81.8)	15 (88.2)
Number of lesions			2.103	0.349
1	19 (34.5)	8 (47.1)
2	9 (16.4)	4 (23.5)
Multiple	27 (49.1)	5 (29.4)
Inflammatory
WBC (109/L)	5.34 ± 1.82	5.06 ± 1.30	-0.581	0.563
Neutrophil (%)	57.60 (49.43-62.25)	55.40 (49.28-63.80)	-1.048	0.295
Hb (g/L)	127.65 ± 21.51	135.29 ± 17.14	1.337	0.186
Liver function
TB (μmol/L)	12.54 ± 4.56	12.41 ± 5.72	-0.101	0.920
ALT (U/L)	15.30 (10.25-28.00)	24.5 (11.75-42.75)	-1.533	0.125
AST (U/L)	15.50 (14.00-19.75)	20.50 (16.25-26.50)	-1.920	0.055
GGT (U/L)	18.00 (11.25-33.75)	37.00 (17.75-54.50)	-1.360	0.174
Coagulation
PT (seconds)	11.62 ± 0.72	11.69 ± 1.30	0.299	0.766
D-D (μg/L)	292.00 (145.75-828.25)	242.50 (141.00-526.50)	-0.945	0.345
Renal function
Cr (μmol/L)	65.30 ± 13.40	67.41 ± 10.76	0.591	0.556
BUN (mg/dL)	4.86 ± 1.21	4.79 ± 1.12	-0.207	0.837

BMI: Body mass index; WBC: White blood cell; Hb: Hemoglobin; TB: Total bilirubin; ALT: Alanine aminotransferase; AST: Aspartate aminotransferase; GGT: Gamma-glutamyl transferase; PT: Prothrombin time; D-D: D-dimer; Cr: Creatinine; BUN: Blood urea nitrogen.