Risk factor | Unadjusted OR (95% CI) | P value | Adjusted OR (95% CI) | P value |
---|---|---|---|---|
Age group (reference group age 18–35) | ||||
36–55 | 1.73 (1.09; 2.73) | 0.02 | 1.67 (1.03; 2.71) | 0.04 |
56–75 | 3.33 (2.16; 5.14) | < 0.01 | 2.45 (1.54; 3.91) | < 0.01 |
> 75 | 4.33 (2.76; 6.79) | < 0.01 | 3.53 (2.17; 5.74) | < 0.01 |
Sex | ||||
Male vs female | 0.87 (0.74; 1.02) | 0.09 | 0.94 (0.79; 1.13) | 0.51 |
Race (reference group “black”) | ||||
White | 1.15 (0.94; 1.42) | 0.18 | 1.14 (0.91; 1.43) | 0.27 |
Other | 1.47 (1.11; 1.96) | 0.01 | 1.57 (1.15; 2.15) | < 0.01 |
Unknown | 0.79 (0.36; 1.76) | 0.57 | 0.56 (0.24; 1.31) | 0.18 |
Infection site (reference group “Urine”) | ||||
Blood | 4.27 (2.90; 6.28) | < 0.01 | 3.82 (2.56; 5.71) | < 0.01 |
Respiratory | 5.37 (3.76; 7.68) | < 0.01 | 2.66 (1.80; 3.92) | < 0.01 |
Wound | 0.85 (0.57; 1.28) | 0.44 | 0.89 (0.58; 1.34) | 0.57 |
Other | 1.13 (0.64; 1.99) | 0.67 | 0.99 (0.55; 1.78) | 0.98 |
Days between admission and index culture (prior to admission) | ||||
Same day as admission | 1.29 (0.76; 2.19) | 0.34 | 0.88 (0.5; 1.55) | 0.66 |
2 days | 1.27 (0.73; 2.21) | 0.41 | 0.78 (0.42; 1.43) | 0.42 |
3 days | 1.75 (0.96; 3.19) | 0.07 | 0.96 (0.50; 1.86) | 0.92 |
4 days | 2.20 (1.16; 4.16) | 0.02 | 1.23 (0.61; 2.47) | 0.56 |
5 days | 2.45 (1.28; 4.67) | 0.01 | 1.12 (0.55; 2.27) | 0.76 |
≥ 6 days | 3.41 (2.01; 5.79) | < 0.01 | 1.57 (0.87; 2.81) | 0.13 |
CCI group (reference group CCI = 0) | ||||
1 | 1.52 (0.99; 2.33) | 0.06 | 1.10 (0.70; 1.72) | 0.69 |
2 | 1.82 (1.22; 2.72) | < 0.01 | 1.37 (0.90; 2.11) | 0.14 |
3–5 | 2.54 (1.77; 3.63) | < 0.01 | 1.72 (1.17; 2.54) | 0.01 |
> 5 | 4.31 (2.98; 6.21) | < 0.01 | 2.73; (1.83; 4.08) | < 0.01 |
Admission source (reference group “Home”) | ||||
Nursing | 1.72 (1.29; 2.31) | < 0.01 | 1.22 (0.88; 1.68) | 0.23 |
Transferred from other facilities | 1.39 (1.15; 1.68) | < 0.01 | 1.17 (0.95; 1.45) | 0.14 |
Other | 0.48 (0.21; 1.09) | 0.08 | 0.63 (0.26; 1.51) | 0.30 |
Infection associated ICU utilization | ||||
Yes vs no | 4.77 (4.01; 5.68) | < 0.01 | 2.93 (2.40; 3.57) | < 0.01 |
Carbapenem susceptibility status | ||||
CR vs CS | 1.77 (1.51; 2.08) | < 0.01 | 1.42 (1.15; 1.75) | < 0.01 |
Patient received any active drug within 72 h of index culture date | ||||
No active antibiotica vs active antibioticb | 1.16 (0.98; 1.36) | 0.08 | 1.03 (0.84; 1.27) | 0.77 |