Table 1b.
Selected baseline demographic and clinical characteristics in patients with inflammatory bowel disease (IBD) admitted to the hospital in 2006, 2010, 2013
|
Inpatient Admissions |
||||
|---|---|---|---|---|
| 2006 | 2010 | 2013 | Unadjusted OR (95% CI)b | |
| Total number, N (%) | 59,682 (100.0) | 70,772 (100.0) | 73,784 (100.0) | |
| Age (years), Mean± SD | 43.4 ± 19.2 | 43.2 ± 18.9 | 43.2 ± 19.0 | |
| Women (%)a | 33,160 (55.6) | 39,426 (55.7) | 39,257 (53.2) | 0.91 (0.89, 0.93) |
| Primary payer, N (%)a | ||||
| Insured, N (%) | 51,373 (86.1) | 59,911 (84.7) | 61,864 (83.8) | 0.83 (0.81, 0.86) |
| Private insurance | 29,859 (50.1) | 31,177 (44.1) | 30,454 (41.2) | 0.70 (0.69, 0.72) |
| Medicare | 14,028 (23.5) | 16,759 (23.7) | 18,423 (25.0) | 1.08 (1.06, 1.11) |
| Medicaid | 7486 (12.5) | 11,975 (16.9) | 12,987 (17.6) | 1.49 (1.44, 1.54) |
| Uninsured, N (%) | 8215 (13.8) | 10,741 (15.2) | 11,822 (16.0) | 1.20 (1.16, 1.23) |
| Median household income, N (%)a | ||||
| 1st quarter ($1 – $37,999/year) | 13,314 (22.3) | 16,495 (23.3) | 19,311 (26.2) | 1.24 (1.21, 1.27) |
| 2nd quarter ($38,000-$46,999/year) | 13,604 (22.8) | 18,336 (25.9) | 19,158 (26.0) | 1.19 (1.16, 1.22) |
| 3rd quarter ($47,000 – $61,999/year) | 15,166 (25.4) | 16,895 (23.9) | 17,878 (24.2) | 0.94 (0.92, 0.96) |
| 4th quarter ($62,000+/year) | 16,540 (27.7) | 17,529 (24.8) | 15,999 (21.7) | 0.72 (0.70, 0.74) |
| US region, N (%) | ||||
| Northeast | 15,294 (25.6) | 16,452 (23.2) | 16,194 (21.9) | 0.82 (0.80, 0.84) |
| Midwest | 14,313 (24.0) | 16,101 (22.8) | 15,182 (20.6) | 0.82 (0.80, 0.84) |
| South | 20,410 (34.2) | 26,976 (38.1) | 30,914 (41.9) | 1.39 (1.36, 1.42) |
| West | 9665 (16.2) | 11,243 (15.9) | 11,494 (15.6) | 0.95 (0.93, 0.98) |
| Charlson Comorbidity Index Score, Mean± SD | 0.4 ± 1.0 | 0.5 ± 1.0 | 0.5 ± 1.1 | |
| Charlson Comorbidity Index Score, N (%) | ||||
| Score = 0 | 43,760 (73.3) | 50,021 (70.7) | 50,709 (68.7) | 0.80 (0.78, 0.82) |
| Score = 1–3 | 14,958 (25.1) | 19,273 (27.2) | 21,393 (29.0) | 1.22 (1.19, 1.25) |
| Score ≥4 | 964 (1.6) | 1479 (2.1) | 1682 (2.3) | 1.42 (1.31, 1.54) |
| Length of stay (days), Mean± SD | 5.6 ± 11.0 | 5.1 ± 9.1 | 4.9 ± 8.2 | |
| Discharge disposition, N (%)a | ||||
| Discharged, routine | 50,942 (85.4) | 60,277 (85.2) | 62,430 (84.6) | 1.02 (0.99, 1.05) |
| Admitted as an inpatient | N/A | N/A | N/A | |
| Otherc | 3851 (6.5) | 3886 (5.5) | 3891 (5.3) | 0.98 (0.95, 1.01) |
Numbers in parentheses indicate % unless otherwise stated. OR: odds ratio; CI: confidence interval; SD: standard deviation; N/A: not available
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.