Table 2.

Rate of emergency department visits by recipient characteristics

Recipient Characteristics and Level (% of Study Population)Rate of ED Visits after Transplantation per 100 patient-yr (95% CI)Adjusted Incidence Rate Ratio (95% CI)P Valuea
Recipient age, yr
 18–29 (8)153.9 (146.5 to 161.4)1.28 (1.20 to 1.36)<0.001
 30–44 (25)131.4 (127.6 to 135.2)1.08 (1.04 to 1.13)
 45–59 (36)117.3 (114.3 to 120.3)0.99 (0.95 to 1.03)
 60+ (32)127.9 (124.4 to 131.3)Reference
Recipient sexb
 Women (40)145.6 (142.4 to 148.8)1.25 (1.21 to 1.29)<0.001
 Men (60)114.5 (112.2 to 116.8)Reference
Recipient race
 Black (19)155.5 (150.7 to 160.2)1.21 (1.16 to 1.26)<0.001
 Hispanic (23)142.4 (138.2 to 146.6)1.11 (1.06 to 1.15)
 Asian/Pacific Islander (8)94.5 (88.8 to 100.1)0.83 (0.78 to 0.89)
 Other (9)137.1 (129.6 to 144.6)1.15 (1.08 to 1.22)
 White (41)111.0 (108.4 to 113.7)Reference
Primary insurance
 Medicare (65)142.2 (139.7 to 144.6)1.44 (1.39 to 1.50)<0.001
 Medicaid (5)181.0 (171.0 to 190.9)1.73 (1.61 to 1.85)
 Other (1)112.6 (92.6 to 132.7)1.20 (1.00 to 1.44)
 Private (29)84.8 (82.0 to 87.6)Reference
Discharge site
 Other facility (2)180.1 (161.5 to 198.7)1.21 (1.08 to 1.34)<0.001
 Home health (19)163.5 (158.6 to 168.3)1.18 (1.14 to 1.22)
 Home/routine (80)117.2 (115.2 to 119.2)Reference
Median income on the basis of residential zip codeb
 Lowest income quartile (25)141.7 (137.7 to 145.7)0.94 (0.85 to 1.04)0.17
 Second quartile (24)132.7 (128.7 to 136.6)1.01 (0.96 to 1.05)
 Third quartile (25)120.6 (117.0 to 124.2)0.99 (0.95 to 1.04)
 Highest income quartile (25)111.7 (108.1 to 115.3)Reference
Depression
 Yes (4)145.5 (135.8 to 155.1)1.11 (1.04 to 1.19)0.003
 No (96)126.1 (124.2 to 128.0)Reference
Hypertension
 Yes (8)143.6 (136.4 to 150.8)1.05 (1.00 to 1.11)0.07
 No (92)125.5 (123.6 to 127.5)Reference
Diabetes, uncomplicated
 Yes (10)123.8 (117.9 to 129.7)1.02 (0.97 to 1.07)0.48
 No (90)127.3 (125.3 to 129.3)Reference
Diabetes, with complications
 Yes (19)165.7 (160.7 to 170.6)1.32 (1.27 to 1.36)<0.001
 No (81)118.0 (116.0 to 120.0)Reference
Congestive heart failure
 Yes (5)162.2 (152.2 to 172.1)1.11 (1.04 to 1.18)<0.001
 No (95)125.3 (123.4 to 127.2)Reference
Peripheral vascular disease
 Yes (6)176.5 (167.2 to 185.7)1.29 (1.22 to 1.36)<0.001
 No (94)123.9 (122.0 to 125.8)Reference
Hypothyroidism
 Yes (8)126.2 (119.8 to 132.6)1.00 (0.95 to 1.06)0.96
 No (92)127.0 (125.0 to 129.0)Reference
Liver disease
 Yes (4)137.8 (128.2 to 147.3)1.08 (1.00 to 1.16)0.05
 No (96)126.5 (124.6 to 128.4)Reference
Arthritis
 Yes (4)157.1 (145.7 to 168.5)1.05 (0.98 to 1.14)0.18
 No (96)125.9 (124.0 to 127.8)Reference
Coagulopathy
 Yes (9)149.5 (142.5 to 156.5)1.12 (1.06 to 1.18)<0.001
 No (91)124.8 (122.9 to 126.8)Reference
Valve disease
 Yes (5)117.1 (108.6 to 125.6)0.91 (0.84 to 0.98)<0.01
 No (95)127.4 (125.5 to 129.3)Reference
Length of initial hospital stay, d
 1–4 (30)94.7 (91.7 to 97.7)Reference<0.001
 5–6 (36)118.2 (115.2 to 121.2)1.13 (1.08 to 1.17)
 7+ (34)162.3 (158.7 to 165.3)1.46 (1.41 to 1.53)
ED visit within 1 yr before transplant
 Yes without admission (21)155.1 (150.7 to 159.5)1.58 (1.52 to 1.64)<0.001
 Yes with admission (29)177.6 (173.3 to 181.8)1.88 (1.82 to 1.95)
 No (50)87.2 (85.0 to 89.4)Reference
State of residence
 California (47)121.4 (118.7 to 124.1)1.03 (0.99 to 1.07)0.22
 Florida (25)131.5 (127.7 to 135.3)1.00 (0.96 to 1.04)
 New York (28)132.5 (128.8 to 136.2)Reference
Overall population
n=10,533126.9 (125.1 to 128.8)
  • ED, emergency department; 95% CI, 95% confidence interval.

  • a Statistical significance of recipient characteristics with adjusted incidence rate ratio.

  • b Results for small proportions of missing values (<2%) not displayed.