Table 2a.
Selected baseline demographic and clinical characteristics in patients with IBD-related abdominal pain visiting the ED in 2006, 2010, and 2013
| ED visits |
||||
|---|---|---|---|---|
| 2006 | 2010 | 2013 | Unadjusted OR (95% CI)b | |
| Total number, N (%) | 21,800 (100.0) | 34,513 (100.0) | 37,551 (100.0) | |
| Age (years), Mean± SD | 37.2 ± 13.5 | 36.6 ± 13.1 | 36.9 ± 13.4 | |
| Women (%)a | 13,079 (60.0) | 20,648 (59.8) | 22,718 (60.5) | 1.02 (0.98, 1.06) |
| Primary payer, N (%)a | ||||
| Insured, N (%) | 17,465 (80.1) | 26,536 (76.9) | 29,150 (77.6) | 0.85 (0.82, 0.89) |
| Private insurance | 9230 (42.3) | 11,905 (34.5) | 12,642 (33.7) | 0.69 (0.67, 0.71) |
| Medicare | 3816 (17.5) | 6168 (17.9) | 7116 (18.9) | 1.10 (1.05, 1.15) |
| Medicaid | 4419 (20.3) | 8463 (24.5) | 9392 (25.0) | 1.31 (1.26, 1.36) |
| Uninsured, N (%) | 4276 (19.6) | 7793 (22.6) | 8329 (22.2) | 1.17 (1.12, 1.22) |
| Median household income, N (%)a | ||||
| 1st quarter ($1 – $37,999/year) | 5763 (26.4) | 9912 (28.7) | 11,617 (30.9) | 1.24 (1.20, 1.29) |
| 2nd quarter ($38,000-$46,999/year) | 5542 (25.4) | 9985 (28.9) | 10,612 (28.3) | 1.15 (1.11, 1.20) |
| 3rd quarter ($47,000 – $61,999/year) | 5450 (25.0) | 7887 (22.9) | 8062 (21.5) | 0.82 (0.78, 0.85) |
| 4th quarter ($62,000+/year) | 4608 (21.1) | 6007 (17.4) | 6641 (17.7) | 0.80 (0.76, 0.83) |
| US region, N (%) | ||||
| Northeast | 3488 (16.0) | 4760 (13.8) | 5819 (15.5) | 0.96 (0.92, 1.01) |
| Midwest | 6918 (31.7) | 11,286 (32.7) | 10,729 (28.6) | 0.86 (0.83, 0.89) |
| South | 8033 (36.9) | 12,985 (37.6) | 15,293 (40.7) | 1.18 (1.14, 1.22) |
| West | 3361 (15.4) | 5482 (15.9) | 5710 (15.2) | 0.98 (0.94, 1.03) |
| Charlson Comorbidity Index Score, Mean± SD | 0.1 ± 0.5 | 0.2 ± 0.5 | 0.2 ± 0.6 | |
| Charlson Comorbidity Index Score, N (%) | ||||
| Score = 0 | 19,363 (88.8) | 30,129 (87.3) | 31,761 (84.6) | 0.69 (0.66, 0.73) |
| Score = 1–3 | 2399 (11.0) | 4238 (12.3) | 5666 (15.1) | 1.44 (1.37, 1.51) |
| Score ≥4 | 38 (0.2) | 146 (0.4) | 124 (0.3) | 1.90 (1.32, 2.73) |
| Discharge disposition, N (%)a | ||||
| Discharged, routine | 18,615 (85.3) | 31,161 (90.3) | 34,386 (91.6) | 1.86 (1.76, 1.96) |
| Admitted as an inpatient | 1496 (6.9) | 2401 (7.0) | 1840 (4.9) | 0.70 (0.65, 0.75) |
| Otherc | 1255 (5.8) | 145 (0.4) | 243 (0.6) | 0.44 (0.40, 0.47) |
Numbers in parentheses indicate % unless otherwise stated. OR: odds ratio; CI: confidence interval; SD: standard deviation
aNumbers do not add up to 100% due to missing values or unreported categories. bUnadjusted odds ratio in 2013 relative to 2006 (95% confidence interval). cOther includes home healthcare, against medical advice, death, transfers to another type of facility, discharge destination unknown.