Percutaneous vs surgical management of World Health Organization cystic echinococcosis 1 and 3a liver hydatid cysts

Table 1 Demographic and clinical characteristics of surgical and percutaneous treatment groups, mean ± SD/n (%)

Variables	Surgical (n = 734)	Percutaneous (n = 255)	All patients	P value
Age (years)	38.4 ± 15.9	38.1 ± 16.1	38.3 ± 16.0	0.801
Gender
Male	176 (24.0)	71 (27.8)	247 (24.9)	0.250
Female	558 (76.0)	184 (72.2)	742 (75.1)
Number of cysts
Single	548 (74.7)	192 (75.3)	740 (74.8)	0.850
Two	153 (20.9)	49 (19.1)	202 (20.4)	0.450
Multiple	31 (4.2)	14 (5.6)	45 (4.6)	0.350
Location
Right lobe	518 (70.6)	206 (80.9)	724 (73.2)	0.042a
Left lobe	216 (29.4)	49 (19.1)	265 (26.8)
Position
Central	292 (39.8)	67 (26.4)	359 (36.3)	0.031a
Peripheral	442 (60.2)	188 (73.6)	630 (63.7)
Cyst type
WHO CE1	479 (65.3)	200 (78.6)	679 (68.7)	0.048a
WHO CE3a	255 (34.7)	55 (21.8)	310 (31.3)
Cyst longest diameter (mm)	120.4 ± 47.8	118.2 ± 46.9	119.9 ± 47.6	0.620
Initial volume (mL)	421.1 ± 266.0	374.3 ± 295.2	410.0 ± 274.3	0.537

^aP < 0.05.

WHO: World Health Organization; CE: Cystic echinococcosis.