Online Table3. Stratified Multivariable ModelsComparingOutcomes of Hospitalizations due to Renal Disease With and

Without Comorbid Heat-Related Illness Diagnoses, United States 2001-2010(Summer)

Outcome
Stratified Variable* / Length of Stay
(days) / Number of
Procedures / Total Charges† / Death† / Non-Routine
Discharge†
Gender
Male / -3.28 (-3.83, -2.72) / -1.32 (-1.50, -1.15) / -$24,933 (-$29,757, -$20,109) / 0.13 (0.11, 0.16) / 0.46 (0.45, 0.48)
Female / -2.12 (-3.49, -0.75) / -0.79 (-1.21, -0.37) / -$12,384 (-$23,680, -$1,088) / 1.28 (1.20, 1.36) / 0.82 (0.80, 0.84)
Age Categories
0-17 / -3.63 (-12.29, 5.02) / -0.58 (-2.06, 0.91) / - / 3.46 (2.37, 5.06) / 0.54 (0.42, 0.70)
18-39 / -2.84 (-3.84, 1.84) / -1.19 (-1.47, -0.92) / -$21,625 (-$30,529, -$12,722) / 0.22 (0.15, 0.34) / 0.34 (0.31, 0.37)
40-64 / -3.65 (-4.50, -2.79) / -1.49 (-1.74, -1.24) / -$25,499 (-$32,747, -$18,251) / 0.13 (0.10, 0.17) / 0.36 (0.35, 0.39)
65-74 / -2.97 (-4.56, -1.38) / -1.02 (-1.54, -0.50) / -$20,275 (-$34,233, -$6,317) / - / 0.61 (0.61, 0.62)
75+ / -2.15 (-3.25, -1.05) / -0.84 (-1.22, -0.47) / -$16,630 (-$25,871, -$7,390) / 0.96 (0.86, 1.09) / 0.82 (0.81, 0.83)
Race/Ethnicity
Black / -2.65 (-3.82, -1.47) / -1.11 (-1.44, -0.79) / -$15,422 (-$24,565, -$6,278) / 0.15 (0.11, 0.23) / -
White / -3.39 (-4.01, -2.78) / -1.34 (-1.54, -1.15) / -$25,520 (-$30,739, -$20,300) / 0.49 (0.44, 0.55) / 0.53 (0.51, 0.54)
Hispanic / -3.35 (-4.91, -1.79) / -1.49 (-1.95, -1.04) / -$29,841 (-$43,998, -$15,685) / 0.24 (0.16, 0.37) / 0.53 (0.51, 0.57)
Other / -3.10 (-5.94, -0.25) / -0.89 (-1.74, -0.05) / - / - / 0.19 (0.16, 0.24)
Zip-Code Income Quartile
0-25th percentile / -2.97 (-3.89, -2.05) / -1.13 (-1.40, -0.85) / -$20,101 (-$27,508, -$12,694) / 0.23 (0.18, 0.29) / 0.55 (0.45, 0.57)
26th to 50th percentile / -3.39 (-4.31, -2.47) / -1.41 (-1.69, -1.12) / -$24,593 (-$32,101, -$17,086) / 0.46 (0.38, 0.55) / 0.50 (0.49, 0.52)
51st to 75th percentile / -3.35 (-4.44, -2.25) / -1.36 (-1.71, 1.02) / -$27,396 (-$37,199, -$17,593) / 0.32 (0.24, 0.41) / -
76th to 100th percentile / -3.03 (-4.22, -1.84) / -1.32 (-1.70, -0.93) / -$25,235 (-$35,945, -$14,526) / 0.65 (0.54, 0.78) / 0.68 (0.66, 0.70)
Insurance Status
Insured / -3.19 (-3.78, -2.61) / -1.31 (-1.49, -1.12) / -$24,713 (-$29,742, -$19,685) / 0.49 (0.44, 0.55) / 0.56 (0.55, 0.57)
Uninsured / -2.83 (-3.89, -1.77) / -1.09 (-1.39, -0.79) / -$18,384 (-$25,732, -$11,037) / - / 0.40 (0.38, 0.99)
Hospital Location
Rural / -1.57 (-3.54, 0.39) / -0.83 (-1.52, -0.14) / -$12,170 (-$27,456, $3,116) / - / 0.48 (0.44, 0.53)
Small Urban Cluster / -2.15 (-3.26, -1.04) / -0.91 (-1.30, -0.53) / -$10,608 (-$16,347, -$4,869) / 0.51 (0.38, 0.68) / 0.40 (0.37, 0.43)
Urban Area / -3.35 (-3.91, -2.80) / -1.35 (-1.52, -1.18) / -$25,939 (-$30,728, -$21,150) / 0.40 (0.35, 0.45) / 0.55 (0.54, 0.56)
Hospital Region
Northeast / -3.41 (-4.79, -2.03) / -0.99 (-1.39, -0.59) / -$23,240 (-$34,368, -$12,112) / 0.48 (0.39, 0.60) / -
Mid-West / -2.90 (-4.24, -1.55) / -1.44 (-1.91, -0.96) / -$21,630 (-$32,164 -$11,097) / - / 0.45 (0.42, 0.48)
South / -3.37 (-4.01, -2.72 / -1.40 (-1.61, -1.19) / -$23,487 (-$28,569, -$18,405) / 0.50 (0.44, 0.57) / 0.45 (0.44, 0.47)
West / -2.69 (-3.93, -1.45) / -1.18 (-1.54, -0.81) / -$26,933 (-$40,205, -$13,661) / 0.24 (0.18, 0.32) / 3.89 (3.82, 3.95)