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

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)