Research Article

A Nationwide Assessment of the Burden of Urinary Tract Infection among Renal Transplant Recipients

Table 3

Multiple linear regression for percent change in total charges in dollars (and 95% CI) among renal transplant recipients, NIS 2009–2011.

MenWomen
Percent change (95% CI)P valuePercent change (95% CI)P value

UTI versus no UTI28.43 (17.49, 39.38)<0.001*22.07 (14.38, 29.76)<0.001*
Deceased donor versus live17.89 (12.46, 23.32)<0.001*18.75 (12.24, 25.26)<0.001*
Age (Ref. = 18–34 years)
35–49 years −1.77 (−6.26, 2.72)0.44−2.08 (−6.57, 2.41)0.36
50–64 years −5.89 (−10.53, −1.26)0.01−5.31 (−9.79, −0.83)0.02
65 years or more−4.70 (−10.01, 0.61)0.08−5.95 (−12.00, 0.09)0.05
Race/ethnicity (Ref. = White)
 Black8.50 (1.52, 15.49)0.025.26 (−2.20, 12.73)0.17
 Hispanic2.51 (−6.78, 11.79)0.605.41 (−4.83, 15.65)0.30
 Others−4.68 (−13.16, 3.80)0.28−5.79 (−13.56, 1.97)0.14
Charlson-Deyo index 3 or more versus 2 or less8.43 (5.72, 11.13)<0.001*10.67 (7.44, 13.90)<0.001*
Neighborhood income (Ref. = $1–$38,999)
 $39,000–$47,999−0.47 (−5.01, 4.08)0.84−0.45 (−5.62, 4.72)0.86
 $48,000–$62,999−0.99 (−6.45, 4.47)0.721.91 (−4.57, 8.39)0.56
 $63,000 or more−0.59 (−8.74, 7.57)0.891.22 (−9.23, 11.68)0.82
Payer type (Ref. = private including HMO)
 Medicare 6.05 (1.75, 10.34)0.017.83 (2.59, 13.07)0.003
 Medicaid17.91 (4.28, 31.54)0.0114.00 (0.17, 27.83)0.05
 Others7.19 (−7.68, 22.07)0.343.39 (−15.40, 22.18)0.72
Teaching versus nonteaching −43.74 (−61.71, −25.77)<0.001*−43.99 (−58.62, −29.35)<0.001*
Geographic location (Ref. = Northeast)
 Midwest15.96 (−5.46, 37.37)0.1413.85 (−6.69, 34.40)0.19
 South−8.95 (−30.53, 12.63)0.42−9.85 (−30.03, 10.32)0.34
 West10.93 (−16.23, 38.08)0.4311.17 (−13.91, 36.25)0.38
Year (Ref. = 2009)
 201094.38 (80.54, 108.23)<0.001*94.51 (81.51, 107.50)<0.001*
 2011159.01 (144.82, 173.20)<0.001*157.94 (144.51, 171.36)<0.001*

Bonferroni < 0.003.
Ref. = reference category, UTI = urinary tract infection, and CI = confidence interval.