| Total Cases | Total Controls | Age 6–11 y Case | Age 6–11 y Control | Age 12–17 y Case | Age 12–17 y Control | |
|---|---|---|---|---|---|---|
| Medicaid (CAID), n | 1264 | 3792 | 642 | 1926 | 622 | 1866 |
| Proportion with at least 1 IP admission, n (%) | 521 (41.2) | 107 (2.8) | 202 (31.5) | 32 (1.7) | 319 (51.3) | 75 (4.0) |
| Annual IP admissions, mean (SD) | 0.87 (1.49) | 0.04 (0.25) | 0.55 (1.10) a | 0.02 (0.17) a | 1.20 (1.76) | 0.06 (0.30) |
| LOS per admission, mean (SD), days | 10.1 (9.0) | 6.8 (8.3) | 9.5 (6.2) b | 6.4 (7.7) b | 10.5 (10.3) a | 6.9 (8.6) a |
| Annual OP office visits, mean (SD) | 9.9 (8.0) | 3.2 (3.9) | 9.6 (7.6) | 3.3 (4.1) | 10.2 (8.4) | 3.0 (3.7) |
| Annual total prescriptions filled, mean (SD) | 67.3 (52.6) | 7.2 (13.4) | 65.5 (54.0) | 6.6 (11.3) | 69.1 (51.1) | 7.8 (15.1) |
| Annual unique prescriptions filled, mean (SD) | 15.8 (8.5) | 3.2 (4.1) | 14.5 (7.3) | 3.0 (3.8) | 17.1 (9.4) | 3.4 (4.3) |
| Commercial (COMM), n | 2400 | 7200 | 1075 | 3225 | 1325 | 3975 |
| Proportion with at least 1 IP admission, n (%) | 816 (34.0) | 107 (1.5) | 270 (25.1) | 32 (1.0) | 546 (41.2) | 75 (1.9) |
| Annual IP admissions, mean (SD) | 0.64 (1.21) | 0.02 (0.20) | 0.40 (0.88) b | 0.01 (0.10) b | 0.85 (1.39) | 0.03 (0.26) |
| LOS per admission, mean (SD), days | 8.4 (6.3) | 4.5 (5.9) | 7.5 (4.8) | 3.6 (4.2) | 8.8 (6.9) | 4.9 (6.5) |
| Annual OP office visits, mean (SD) | 9.9 (6.6) | 2.8 (3.5) | 9.4 (6.0) | 2.7 (2.9) | 10.3 (7.0) | 2.8 (3.8) |
| Annual total prescriptions filled, mean (SD) | 39.8 (31.4) | 3.6 (7.0) | 37.5 (29.0) | 2.9 (5.6) | 41.7 (33.1) | 4.1 (7.9) |
| Annual unique prescriptions filled, mean (SD) | 11.6 (7.0) | 2.0 (2.8) | 10.5 (6.1) | 1.7 (2.3) | 12.5 (7.5) | 2.2 (3.0) |
P value <0.001 for all comparisons (case vs control), unless otherwise noted. a
P <0.01; b
P <0.02. LOS =length of stay.