Clinical characteristics and prognostic factors of splenic abscess: A review of 67 cases in a single medical center of Taiwan

Table 5 Prognostic factors of splenic abscess

Variables	Category (n)	Outcome		P
		Cure(n = 55, %)	Mortality (n =12, %)
Gender	Female (26)	21 (81)	5 (19)	NS1
	Male (41)	34 (83)	7 (17)
Abscess number*	Solitary (48)	43 (89)	5 (11)	0.0111
	Multiple (19)	12 (63)	7 (37)
Extrasplenic abscesses	Without (43)	36 (84)	7 (16)	NS1
	With (24)	19 (79)	5 (21)
Underlying diseases	Without (15)	12 (80)	3 (20)	NS1
	With (52)	43 (83)	9 (17)
Diabetes	Without (41)	33 (80)	8 (20)	NS1
	With (26)	22 (85)	4 (15)
Microorganisma
	GNB (32)	22 (69)	10 (31)	0.0091a
	GPC (18)	18 (100)	0 (0)
	GNB+GPC (4)	4 (100)	0 (0)
	Others (4)	2 (50)	2 (50)
	Sterile (9)	9 (100)	0 (0)
Treatment	Splenectomy (26)	24 (92)	2 (8)	NS1
	PD or FNA+AT (21)	15 (71)	6 (29)
	AT alone (20)	16 (80)	4 (20)
Age		53.3 ± 13.4	57.3 ± 17.1	NS2
Size of abscess2		5.1 ± 3.0	4.0 ± 2.6	NS2
Leukocytes/mm3		13.1 ± 4.5	9.6 ± 5.9	NS2
APACHE II score*		7.3 ± 3.8	16.1 ± 3.2	<0.0012

GNB, gram negative bacillus; GPC, gram positive cocci; PD, percutaneous drainage; FNA, fine needle aspiration; AT, antimicrobial therapy. Categorical data were compared by: 1: χ² test or F-test, 2: t-test.

^aP<0.05 GNB vs GPC. NS: not significant.