Antibiotic susceptibility and genomic variations in Staphylococcus aureus associated with Skin and Soft Tissue Infection (SSTI) disease groups

Table 2 Differences in the clinical characteristics of MSSA-associated SSTI among disease groups according to univariate analysis

Clinical characteristics	Deep-seated infection (n = 18)	Cutaneous infection (n = 51)	Abscess (n = 49)	Mastitis (n = 5)	SSTI-related bacteremia (n = 12)	Catheter-related exit-site infection (n = 8)	P-value
Mean age (years)	53.7^ab	48.0^ab	39.5^bc	27.0^c	59.9^a	52.9^ab	<0.05
Mean comorbidities	2.3^ab (Range 0–5)	1.5^bc (Range 0–6)	0.8^cd (Range 0–4)	0^d (Range 0)	3.0^a (Range 1–7)	3.1^a (Range 0–7)	<0.001
Mean operative procedure	1.6^a (Range 0–3)	0.02^e (Range 0–1)	1.2^ab (Range 1–3)	0.2^de (Range 0–1)	0.6^cd (Range 0–3)	0.9^bc (Range 0–2)	<0.01
Reconstructive surgery (%)	4 (22.2)^a	0 (0)^b	2 (4.1)^b	0 (0)^b	0 (0)^b	0 (0)^b	<0.05
Amputation (%)	0 (0)	0 (0)	0 (0)	0 (0)	0 (0)	0 (0)	NA
Mean hospitalization days	13.2^ab	6.9^b	7.7^ab	4.0^b	18.3^a	8.4^ab	<0.05
Mortality (%)	0 (0)	1 (2.0)	1 (2.0)	0 (0)	0 (0)	0 (0)	0.974

^abValues in a row followed by different letters indicate significant difference between groups; P < 0.05

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