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Table 2 Clinical and economic characteristics of case and control patients with S. aureus bloodstream infections

From: The burden of nosocomial staphylococcus aureus bloodstream infection in South Korea: a prospective hospital-based nationwide study

(a) MRSA vs. control    
Characteristic MRSA (n?=?133) Control (n?=?133) P -value
Male gender 86 (64.7%) 84 (63.2%) 0.798
Age (years), median (IQR) 67 (56?76.5) 68 (56?75)  
Died 49 (36.8%) 18 (13.5%) <0.001
Duration of hospitalization (days), mean (SD) 38.5 (26.8) 25.8 (28.0) <0.001
Survivor pairs 44.5 (29.6) 25.2 (29.0) <0.001
Non-survivor pairs 28.0 (16.5) 27.1 (26.2) 0.843
Charlson?s comorbidity index (SD) 4.92 (2.4) 4.5 (2.0) 0.094
Hospital cost ($), median (IQR) 19,318 (9,852-29,438) 7,092 (2,864-14,609)  
Survivor pairs 18,699 (9,660-28,369) 7,440 (3,095-14,907)  
Non-survivor pairs 19,647 (10,812-29,821) 4,875 (2,551-11,850)  
Hospital charge ($), median (IQR) 4,661 (2,240-7,959) 2,359 (870?4,128)  
Survivor pairs 4,423 (2,093-8,015) 2,394 (1,077-4,384)  
Non-survivor pairs 4,763 (2,596-7,930) 1,841 (626?3,706)  
(b) MSSA vs. control    
Characteristic MSSA (n?=?57) Control (n?=?57) P -value
Male gender 26 (45.6%) 31 (54.4%) 0.349
Age (years), median (IQR) 63 (51.5-71.5) 61 (50.5-72.0)  
Died 11 (19.3%) 4 (7.0%) 0.052
Duration of hospitalization (days), mean (SD) 29.4 (20.7) 18.1 (24.4) 0.010
Survivor pairs 31.5 (21.7) 15.5 (12.9) <?0.001
Non-survivor pairs 17.9 (8.7) 32.8 (56.1) 0.139
Charlson?s comorbidity index (SD) 4.8 (2.4) 4.1 (2.1) 0.108
Hospital cost ($), median (IQR) 8,030 (4,998-17,733) 4,475 (2,714-9,973)  
Survivor pairs 9,247 (4,991-19,564) 4,449 (2,692-10,090)  
Non-survivor pairs 6,255 (3,952-9,815) 5,847 (2,151-10,771)  
Hospital charge ($), median (IQR) 2,054 (918?4,753) 1,517 (669?3,673)  
Survivor pairs 2,056 (845?4,822) 1,442 (619?3,309)  
Non-survivor pairs 1,713 (1,229-3,041) 1,855 (723?4,364)  
  1. Abbreviations: MRSA Methicillin-resistant S. aureus, IQR Interquartile range, SD Standard deviation.