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. 2014 Apr;27(2):83–87. doi: 10.1080/08998280.2014.11929064

Table 4.

Factors associated with health care–associated methicillin-resistant Staphylococcus aureus infection

Category Variable Odds ratio 95% CI P value
In all patients
Cohort Before
After 0.73 (0.63, 0.85) < .001
Surgery No (referent)
Yes 1.3 (1.12, 1.51) < .001
Age 1 (1.00, 1.01) 0.07
Sex Male (referent)
Female 0.56 (0.48, 0.65) < .001
Race White (referent)
African American 1.31 (1.1, 1.55) 0.002
Hispanic 0.99 (0.77, 1.28) 0.15
Asian 0.29 (0.07, 1.18) 0.10
Other 0.65 (0.31, 1.38) 0.65
Length of stay 1.05 (1.05, 1.06) < .001
In the after cohort
Surgery No (referent)
Yes 1.33 (1.05, 1.70) < .0167
Age 1.00 (1.0, 1.01) 0.3334
Sex Male (referent)
Female 0.49 (0.39, 0.62) < .0001
Race White (referent)
African American 1.48 (1.45, 1.91) 0.0212
Hispanic 1.00 (0.69, 1.47) 0.7821
Asian 0.69 (0.17, 2.79) 0.5864
Other 0.73 (0.27, 1.98) 0.5479
Length of stay 1.05 (1.03, 1.04) < .0001