Baylor University Medical Center Proceedings April 2014, Volume 27, Number 2 | Page 13

Table 5. Odds ratio of screening positive for MRSA colonization
and of death for patients with health care–associated MRSA
infection
Category

Variable

Odds ratio

95% CI

12.
13.

P value

Screening positive for MRSA colonization
Surgery

No (referent)

Sex

Male (referent)
Female

Race

0.53

(0.45, 0.62) <.0001

1.02

Yes
Age

(1.02, 1.03) <.0001

—
0.77

White (referent)

1.41

0.0003

(1.21, 1.64)

0.0312

15.

—

African American

(0.67, 0.89)

14.

Hispanic

0.70

(0.53, 0.92)

0.0003

Asian

1.50

(0.81, 2.76)

0.2783

Other

1.31

(0.79, 2.17)

16.

0.5250

17.

Death for patients with health care–associated MRSA infection
3.27

(2.40, 4.46) <.0001

3.12

Before

5.06

(3.12, 8.21) <.0001

4.84

(2.51, 9.32) <.0001

MRSA indicates methicillin-resistant Staphylococcus aureus.

April 2014

18.

(2.12, 4.60) <.0001

After

Surgical patients

Before
After

All patients

19.

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