TABLE 3.
Health System Utilization and In-Hospital Mortality During the 2-Year Outcome Period in CMC With and Without Cooccurring Diagnoses of Neurodevelopmental Condition and Other Mental Health Conditions
| Full Cohort | Neurodevelopmental Conditions | Other Mental Health Conditions | |||||
|---|---|---|---|---|---|---|---|
| (n = 85 581) | + Diagnosis (n = 39 065) | No Diagnosis (n = 46 516) | P a | + Diagnosis (n = 31 703) | No Diagnosis (n = 53 878) | P a | |
| Ambulatory clinic visits, mean (95% CI) | |||||||
| Total no. clinic visits per CMC | 21.4 (21.1–21.7) | 28.7 (28.2–29.2) | 15.4 (15.2–15.6) | <.001 | 34.3 (33.7–34.9) | 13.9 (13.7–14.1) | <.001 |
| No. clinic visits with a principal diagnosis of a neurodevelopmental condition | 4.3 (4.1–4.5) | 8.8 (8.5–9.1) | 0.6 (0.5–0.7) | <.001 | 8.0 (7.7–8.3) | 2.1 (2.0–2.2) | <.001 |
| No. clinic visits with a principal diagnosis of a mental health condition | 6.7 (6.5–6.9) | 8.9 (8.6–9.2) | 4.9 (4.7–5.1) | <.001 | 15.0 (14.5–15.5) | 1.9 (1.8–2.0) | <.001 |
| No. clinic visits without a principal diagnosis of a neurodevelopmental or mental health condition | 10.4 (10.3–10.5) | 11.0 (10.9–11.1) | 9.9 (9.8–10) | <.001 | 11.3 (11.2–11.4) | 9.9 (9.8–10.0) | <.001 |
| ED visits | |||||||
| CMC with ≥1 ED visit, n (%) | 36 883 (43.1%) | 18 718 (47.9%) | 18 165 (39.1%) | <.001 | 16 219 (51.2%) | 20 664 (38.4%) | <.001 |
| No. ED visits per CMC, mean (95% CI) | 2.4 (2.4–2.4) | 2.5 (2.5–2.5) | 2.2 (2.2–2.3) | <.001 | 2.7 (2.7–2.8) | 2.1 (2.1–2.1) | <.001 |
| ED visits with a principal diagnosis of a neurodevelopmental condition, n (%) | 1638 (1.9%) | 1517 (3.2%) | 121 (0.3%) | <.001 | 1081 (2.4%) | 557 (1.3%) | <.001 |
| ED visits with a principal diagnosis of a mental health condition, n (%) | 6588 (7.5%) | 4353 (9.3%) | 2235 (5.5%) | 5521 (12.4%) | 1067 (2.5%) | ||
| ED visits without a principal diagnosis of a neurodevelopmental or mental health condition, n (%) | 79 417 (90.6%) | 40 959 (87.5%) | 38 458 (94.2%) | 37 826 (85.1%) | 41 591 (96.2%) | ||
| Acute care hospitalizations | |||||||
| CMC with ≥1 acute care hospitalization, n (%) | 9416 (11.0%) | 5012 (12.8%) | 4404 (9.5%) | <.001 | 4500 (14.2%) | 4916 (9.1%) | <.001 |
| No. d in hospital per CMC, mean (95% CI) | 14.5 (13.6–15.4) | 18.1 (16.5–19.7) | 10.5 (9.6–11.4) | <.001 | 19.2 (17.6–20.8) | 10.2 (9.2–11.2) | <.001 |
| Hospitalizations with a principal diagnosis of a neurodevelopmental condition, n (%) | 1130 (2.7%) | 1078 (4.6%) | 52 (0.3%) | <.001 | 702 (3.5%) | 428 (1.9%) | <.001 |
| Hospitalizations with a principal diagnosis of a mental health condition, n (%) | 4064 (9.5%) | 2700 (11.6%) | 1364 (7.0%) | 3724 (18.3%) | 340 (1.5%) | ||
| Hospitalizations without a principal diagnosis of a neurodevelopmental or mental health condition, n (%) | 37 503 (87.8%) | 19 434 (83.7%) | 18 069 (92.7%) | 15 849 (78.2%) | 21 609 (96.6%) | ||
| In-hospital mortality, n (deaths/10 000 CMC) | 110 (12.9) | 69 (17.7) | 41 (8.8) | <.001 | 42 (13.2) | 68 (12.6) | .80 |
a
Derived from t tests to examine unadjusted differences of means and χ2 tests for differences in proportions.