Table 2 Relative odds (and 95% confidence interval) for postoperative UTI (n = 1,724,042)

mFI-5 score

0

Reference

Reference

1

1.18 (1.14, 1.23)

1.06 (1.03, 1.10)

2

1.49 (1.43, 1.55)

1.27 (1.23, 1.32)

3

2.14 (2.01, 2.27)

1.50 (1.41, 1.60)

4

2.87 (2.50, 3.28)

1.82 (1.59, 2.09)

5

4.24 (2.94, 6.12)

2.50 (1.73, 3.61)

Age, per 10-year increase

1.52 (1.50, 1.54)

1.37 (1.34, 1.39)

Male gender

0.65 (0.63, 0.67)

0.67 (0.65, 0.69)

Diabetes

1.19 (1.16, 1.23)

†

Hypertension^†

1.18 (1.15, 1.21)

†

Congestive heart failure^†

1.83 (1.69, 1.98)

†

Chronic obstructive pulmonary disease^†

1.43 (1.37, 1.49)

†

Preoperative anemia

1.82 (1.77, 1.88)

1.14 (1.10, 1.18)

Disseminated cancer

1.90 (1.80, 2.02)

1.56 (1.48, 1.66)

Steroid use

1.61 (1.53, 1.69)

1.42 (1.35, 1.49)

Weight loss: >10% body weight in the past 6 months

1.86 (1.72, 2.00)

1.26 (1.17, 1.36)

Transferred from nursing home

2.15 (2.01, 2.30)

1.09 (1.01, 1.17)

Impaired preoperative functional status^†

2.31 (2.21, 2.41)

†

Inpatient (vs. outpatient) surgery

3.42 (3.27, 358)

2.63 (2.51, 2.76)

Elective (vs. urgent or emergent) surgery

0.50 (0.49, 0.51)

0.82 (0.79, 0.84)

Wound “clean-contaminated” or “contaminated”

1.48 (1.44, 1.51)

1.26 (1.23, 1.30)