Table 7.

Bivariate and multivariate logistic regression showing predictors for hospitalization costs in patients with IBD hospitalized with COVID-19 infection.

Bivariate Logistic RegressionMultivariate Logistic Regression
Coefficient95% Confidence IntervalPCoefficient95% Confidence IntervalP
COVID-19 infection5703.51(4299.56-7107.46)<.01−283.45(−1677.12 to 1110.22).69
Female-1796.76(−2242.48 to −1351.04)<.01−1188.40(−1581.76 to −795.05)<.01
Race
 WhiteReferenceReference
 Black-439.27(−1109.45-230.91).2463.34(−183.4-1110.08).16
 Hispanic1733.88(562.58-2905.18)<.011271.77(172.54-2371).02
 Other5889.37(3919.18-7859.57)<.013760.38(2139.37-5381.39)<.01
Age (mean)81.91(70.98-92.85)<.01−92.26(−128.67- -55.87)<.01
 18-34ReferenceReference
 35-44815.71(59.78-1571.64).031153.17(299.51-2006.83)<.01
 45-643322.86(2696.28-3949.45)<.013030.33(1934.11-4126.56)<.01
 ≥654566.78(3973.21-5160.35)<.014596.22(2804.29-6388.16)<.01
Charlson comorbidity index
 1ReferenceReference
 24884.96(4188.77-5581.15)<.012931.62(2163.68-3699.56)<.01
 3 or more7878.7(7278.35-8479.05)<.014129.53(3325.72-4933.35)<.01
Median income based on the zip code
 $1-$38 999ReferenceReference
 $39 000-$47 999843.47(334.44-1352.49)<.01768.09(283.1-1253.07)<.01
 $48 000-$62 9991632.28(1058.08-2206.49)<.011042.45(517.77-1567.12)<.01
 >$63 0004133.38(3238.21-5028.56)<.012913.68(2154.55-3672.8)<.01
Insurance provider
 MedicareReferenceReference
 Medicaid-1794.78(−2511.79 to −1077.78)<.01318.62(−446.68-1083.93).41
 Private-1887.77(−2374.99 to −1400.54)<.01701.57(79.57-1323.57).03
 Uninsured-4740.57(−5572.84 to −3908.3)<.01−191.54(−1084.85-701.77).67
Comorbidities
 Diabetes mellitus3167.52(235.06-6099.98).03−616.68(−3454.37-2221).67
 Hypertension2705.67(−1032.05-6443.38).16−74.60(−3655.67-3506.47).97
 Chronic kidney disease263.38(115.69-411.07)<.01 --
 ESRD11 955.96(9443.68-14 468.23)<.014631.27(2471.84-6790.71)<.01
 Congestive Heart Failure6889.98(6048.35-7731.62)<.011726.18(811.87-2640.5)<.01
 COPD645.08(155.71-1134.44).01−1928.36(−2455.69 to −1401.03)<.01
Hospital teaching status
 Non-teachingReferenceReference
 Teaching3428.05(2828.57-4027.53)<.012853.07(2319.05-3387.1)<.01
Hospital size
 SmallReferenceReference
 Medium1501.38(834.13-2168.63)<.011198.90(586.2-1811.59)<.01
 Large3976.9(3198.99-4754.81)<.013512.88(2772.71-4253.06)<.01
Hospital region
 NortheastReferenceReference
 Midwest-3046.6(−4274.49 to −1818.71)<.01−2580.12(−3714.52 to −1445.72)<.01
 South-4167.56(−5270.71 to −3064.42)<.01−3232.69(−4228.55 to −2236.83)<.01
 West3477.34(1893.37-5061.31)<.013165.74(1628.67-4702.81)<.01
Complications
 Intensive Care Unit42 604.42(39 280.43-45 928.4)<.0111 696.53(6583.16-16 809.91)<.01
 Mechanical ventilation46 279.36(42 549.44-50 009.29)<.0120 147.13(13 868.29-26 425.97)<.01
 Septic Shock34 448.96(31 245.76-37 652.16)<.0115 374.11(12 323.34-18 424.88)<.01
Bivariate Logistic RegressionMultivariate Logistic Regression
Coefficient95% Confidence IntervalPCoefficient95% Confidence IntervalP
COVID-19 infection5703.51(4299.56-7107.46)<.01−283.45(−1677.12 to 1110.22).69
Female-1796.76(−2242.48 to −1351.04)<.01−1188.40(−1581.76 to −795.05)<.01
Race
 WhiteReferenceReference
 Black-439.27(−1109.45-230.91).2463.34(−183.4-1110.08).16
 Hispanic1733.88(562.58-2905.18)<.011271.77(172.54-2371).02
 Other5889.37(3919.18-7859.57)<.013760.38(2139.37-5381.39)<.01
Age (mean)81.91(70.98-92.85)<.01−92.26(−128.67- -55.87)<.01
 18-34ReferenceReference
 35-44815.71(59.78-1571.64).031153.17(299.51-2006.83)<.01
 45-643322.86(2696.28-3949.45)<.013030.33(1934.11-4126.56)<.01
 ≥654566.78(3973.21-5160.35)<.014596.22(2804.29-6388.16)<.01
Charlson comorbidity index
 1ReferenceReference
 24884.96(4188.77-5581.15)<.012931.62(2163.68-3699.56)<.01
 3 or more7878.7(7278.35-8479.05)<.014129.53(3325.72-4933.35)<.01
Median income based on the zip code
 $1-$38 999ReferenceReference
 $39 000-$47 999843.47(334.44-1352.49)<.01768.09(283.1-1253.07)<.01
 $48 000-$62 9991632.28(1058.08-2206.49)<.011042.45(517.77-1567.12)<.01
 >$63 0004133.38(3238.21-5028.56)<.012913.68(2154.55-3672.8)<.01
Insurance provider
 MedicareReferenceReference
 Medicaid-1794.78(−2511.79 to −1077.78)<.01318.62(−446.68-1083.93).41
 Private-1887.77(−2374.99 to −1400.54)<.01701.57(79.57-1323.57).03
 Uninsured-4740.57(−5572.84 to −3908.3)<.01−191.54(−1084.85-701.77).67
Comorbidities
 Diabetes mellitus3167.52(235.06-6099.98).03−616.68(−3454.37-2221).67
 Hypertension2705.67(−1032.05-6443.38).16−74.60(−3655.67-3506.47).97
 Chronic kidney disease263.38(115.69-411.07)<.01 --
 ESRD11 955.96(9443.68-14 468.23)<.014631.27(2471.84-6790.71)<.01
 Congestive Heart Failure6889.98(6048.35-7731.62)<.011726.18(811.87-2640.5)<.01
 COPD645.08(155.71-1134.44).01−1928.36(−2455.69 to −1401.03)<.01
Hospital teaching status
 Non-teachingReferenceReference
 Teaching3428.05(2828.57-4027.53)<.012853.07(2319.05-3387.1)<.01
Hospital size
 SmallReferenceReference
 Medium1501.38(834.13-2168.63)<.011198.90(586.2-1811.59)<.01
 Large3976.9(3198.99-4754.81)<.013512.88(2772.71-4253.06)<.01
Hospital region
 NortheastReferenceReference
 Midwest-3046.6(−4274.49 to −1818.71)<.01−2580.12(−3714.52 to −1445.72)<.01
 South-4167.56(−5270.71 to −3064.42)<.01−3232.69(−4228.55 to −2236.83)<.01
 West3477.34(1893.37-5061.31)<.013165.74(1628.67-4702.81)<.01
Complications
 Intensive Care Unit42 604.42(39 280.43-45 928.4)<.0111 696.53(6583.16-16 809.91)<.01
 Mechanical ventilation46 279.36(42 549.44-50 009.29)<.0120 147.13(13 868.29-26 425.97)<.01
 Septic Shock34 448.96(31 245.76-37 652.16)<.0115 374.11(12 323.34-18 424.88)<.01
Table 7.

Bivariate and multivariate logistic regression showing predictors for hospitalization costs in patients with IBD hospitalized with COVID-19 infection.

Bivariate Logistic RegressionMultivariate Logistic Regression
Coefficient95% Confidence IntervalPCoefficient95% Confidence IntervalP
COVID-19 infection5703.51(4299.56-7107.46)<.01−283.45(−1677.12 to 1110.22).69
Female-1796.76(−2242.48 to −1351.04)<.01−1188.40(−1581.76 to −795.05)<.01
Race
 WhiteReferenceReference
 Black-439.27(−1109.45-230.91).2463.34(−183.4-1110.08).16
 Hispanic1733.88(562.58-2905.18)<.011271.77(172.54-2371).02
 Other5889.37(3919.18-7859.57)<.013760.38(2139.37-5381.39)<.01
Age (mean)81.91(70.98-92.85)<.01−92.26(−128.67- -55.87)<.01
 18-34ReferenceReference
 35-44815.71(59.78-1571.64).031153.17(299.51-2006.83)<.01
 45-643322.86(2696.28-3949.45)<.013030.33(1934.11-4126.56)<.01
 ≥654566.78(3973.21-5160.35)<.014596.22(2804.29-6388.16)<.01
Charlson comorbidity index
 1ReferenceReference
 24884.96(4188.77-5581.15)<.012931.62(2163.68-3699.56)<.01
 3 or more7878.7(7278.35-8479.05)<.014129.53(3325.72-4933.35)<.01
Median income based on the zip code
 $1-$38 999ReferenceReference
 $39 000-$47 999843.47(334.44-1352.49)<.01768.09(283.1-1253.07)<.01
 $48 000-$62 9991632.28(1058.08-2206.49)<.011042.45(517.77-1567.12)<.01
 >$63 0004133.38(3238.21-5028.56)<.012913.68(2154.55-3672.8)<.01
Insurance provider
 MedicareReferenceReference
 Medicaid-1794.78(−2511.79 to −1077.78)<.01318.62(−446.68-1083.93).41
 Private-1887.77(−2374.99 to −1400.54)<.01701.57(79.57-1323.57).03
 Uninsured-4740.57(−5572.84 to −3908.3)<.01−191.54(−1084.85-701.77).67
Comorbidities
 Diabetes mellitus3167.52(235.06-6099.98).03−616.68(−3454.37-2221).67
 Hypertension2705.67(−1032.05-6443.38).16−74.60(−3655.67-3506.47).97
 Chronic kidney disease263.38(115.69-411.07)<.01 --
 ESRD11 955.96(9443.68-14 468.23)<.014631.27(2471.84-6790.71)<.01
 Congestive Heart Failure6889.98(6048.35-7731.62)<.011726.18(811.87-2640.5)<.01
 COPD645.08(155.71-1134.44).01−1928.36(−2455.69 to −1401.03)<.01
Hospital teaching status
 Non-teachingReferenceReference
 Teaching3428.05(2828.57-4027.53)<.012853.07(2319.05-3387.1)<.01
Hospital size
 SmallReferenceReference
 Medium1501.38(834.13-2168.63)<.011198.90(586.2-1811.59)<.01
 Large3976.9(3198.99-4754.81)<.013512.88(2772.71-4253.06)<.01
Hospital region
 NortheastReferenceReference
 Midwest-3046.6(−4274.49 to −1818.71)<.01−2580.12(−3714.52 to −1445.72)<.01
 South-4167.56(−5270.71 to −3064.42)<.01−3232.69(−4228.55 to −2236.83)<.01
 West3477.34(1893.37-5061.31)<.013165.74(1628.67-4702.81)<.01
Complications
 Intensive Care Unit42 604.42(39 280.43-45 928.4)<.0111 696.53(6583.16-16 809.91)<.01
 Mechanical ventilation46 279.36(42 549.44-50 009.29)<.0120 147.13(13 868.29-26 425.97)<.01
 Septic Shock34 448.96(31 245.76-37 652.16)<.0115 374.11(12 323.34-18 424.88)<.01
Bivariate Logistic RegressionMultivariate Logistic Regression
Coefficient95% Confidence IntervalPCoefficient95% Confidence IntervalP
COVID-19 infection5703.51(4299.56-7107.46)<.01−283.45(−1677.12 to 1110.22).69
Female-1796.76(−2242.48 to −1351.04)<.01−1188.40(−1581.76 to −795.05)<.01
Race
 WhiteReferenceReference
 Black-439.27(−1109.45-230.91).2463.34(−183.4-1110.08).16
 Hispanic1733.88(562.58-2905.18)<.011271.77(172.54-2371).02
 Other5889.37(3919.18-7859.57)<.013760.38(2139.37-5381.39)<.01
Age (mean)81.91(70.98-92.85)<.01−92.26(−128.67- -55.87)<.01
 18-34ReferenceReference
 35-44815.71(59.78-1571.64).031153.17(299.51-2006.83)<.01
 45-643322.86(2696.28-3949.45)<.013030.33(1934.11-4126.56)<.01
 ≥654566.78(3973.21-5160.35)<.014596.22(2804.29-6388.16)<.01
Charlson comorbidity index
 1ReferenceReference
 24884.96(4188.77-5581.15)<.012931.62(2163.68-3699.56)<.01
 3 or more7878.7(7278.35-8479.05)<.014129.53(3325.72-4933.35)<.01
Median income based on the zip code
 $1-$38 999ReferenceReference
 $39 000-$47 999843.47(334.44-1352.49)<.01768.09(283.1-1253.07)<.01
 $48 000-$62 9991632.28(1058.08-2206.49)<.011042.45(517.77-1567.12)<.01
 >$63 0004133.38(3238.21-5028.56)<.012913.68(2154.55-3672.8)<.01
Insurance provider
 MedicareReferenceReference
 Medicaid-1794.78(−2511.79 to −1077.78)<.01318.62(−446.68-1083.93).41
 Private-1887.77(−2374.99 to −1400.54)<.01701.57(79.57-1323.57).03
 Uninsured-4740.57(−5572.84 to −3908.3)<.01−191.54(−1084.85-701.77).67
Comorbidities
 Diabetes mellitus3167.52(235.06-6099.98).03−616.68(−3454.37-2221).67
 Hypertension2705.67(−1032.05-6443.38).16−74.60(−3655.67-3506.47).97
 Chronic kidney disease263.38(115.69-411.07)<.01 --
 ESRD11 955.96(9443.68-14 468.23)<.014631.27(2471.84-6790.71)<.01
 Congestive Heart Failure6889.98(6048.35-7731.62)<.011726.18(811.87-2640.5)<.01
 COPD645.08(155.71-1134.44).01−1928.36(−2455.69 to −1401.03)<.01
Hospital teaching status
 Non-teachingReferenceReference
 Teaching3428.05(2828.57-4027.53)<.012853.07(2319.05-3387.1)<.01
Hospital size
 SmallReferenceReference
 Medium1501.38(834.13-2168.63)<.011198.90(586.2-1811.59)<.01
 Large3976.9(3198.99-4754.81)<.013512.88(2772.71-4253.06)<.01
Hospital region
 NortheastReferenceReference
 Midwest-3046.6(−4274.49 to −1818.71)<.01−2580.12(−3714.52 to −1445.72)<.01
 South-4167.56(−5270.71 to −3064.42)<.01−3232.69(−4228.55 to −2236.83)<.01
 West3477.34(1893.37-5061.31)<.013165.74(1628.67-4702.81)<.01
Complications
 Intensive Care Unit42 604.42(39 280.43-45 928.4)<.0111 696.53(6583.16-16 809.91)<.01
 Mechanical ventilation46 279.36(42 549.44-50 009.29)<.0120 147.13(13 868.29-26 425.97)<.01
 Septic Shock34 448.96(31 245.76-37 652.16)<.0115 374.11(12 323.34-18 424.88)<.01
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