Total splenic artery embolization for splenic artery aneurysms in patients with normal spleen

Table 2 Comparison of variables between the two groups during follow-up (mean ± SD)

Evaluation	Initial		1 mo		6 mo		1 yr		2 yr		≥4 yr
	Group A	Group B	Group A	Group B	Group A	Group B	Group A	Group B	Group A	Group B	Group A	Group B
WBC count (× 109)	6.1 ± 0.9	6.2 ± 1.0	6.2 ± 1.2	6.2 ± 1.1	6.2 ± 0.7	6.3 ± 1.0	6.0 ± 0.9	5.8 ± 0.8	5.9 ± 1.0	5.9 ± 1.0	5.9 ± 0.9	5.9 ± 1.1
PLT count (× 109)	172.1 ± 52.9	178.7 ± 48.4	190.3 ± 28.3	198.9 ± 28.2	191.2 ± 23.7	194.3 ± 27.8	191.2 ± 31.6	196.5 ± 29.3	196.6 ± 28.6	190.1 ± 34.1	180.6 ± 3-6.6	192.8 ± 27.8
Splenic volume (cm3)	289.8 ± 28.2	290.5 ± 26.5	222.3 ± 47.9a	285.2 ± 29.2c	202.3 ± 43.0a	283.6 ± 30.5c	199.1 ± 40.9a	275.4 ± 38.2c	197.7 ± 40.9a	276.4 ± 43.0c	201.3 ± 25.1a	281.7 ± 42.1c

^aP < 0.05, Compared splenic volume in group A between preoperatively and at each follow-up point;

^cP < 0.05, Compared splenic volume between group A and group B at each follow-up point. WBC: White blood cell; PLT: Platelet.