Table 1.
Baseline characteristics of pulmonary hypertension–related hospitalizations
| 2000 | 2003 | 2006 | 2009 | Pa | |
|---|---|---|---|---|---|
| Hospitalizations, n | 7,331 (5,556–9,106) | 6,359 (4,898–7,821) | 9,097 (7,013–11,170) | 10,792 (8,568–13,016) | <0.001 |
| Hospitalization rateb | 8.7 (6.6–10.8) | 7.4 (5.7–9.1) | 10.5 (8.1–12.9) | 12.3 (9.8–14.8) | <0.001 |
| Urban location | 95.5 (94.1–96.4) | 96.7 (95.7–97.2) | 98 (97.6–98.5) | 97.8 (97.2–98.2) | 0.003 |
| Children’s hospital | 59.6 (52.6–63.8) | 70.2 (65.2–73.3) | 72.5 (67.3–75.9) | 74.4 (70.3–77.2) | <0.001 |
| Large hospital | 54.6 (47.4–59.0) | 53.5 (43.8–59.6) | 59.4 (52.1–64.0) | 64.0 (56.6–68.9) | 0.093 |
| Teaching hospital | 83.6 (78.9–86.4) | 87.0 (83.6–89.2) | 85.6 (83.2–87.2) | 86.5 (83.3–88.6) | 0.424 |
| Female | 48.7 (47.5–49.4) | 51.5 (50.8–51.9) | 49.1 (49.1–49.1) | 55.7 (55.4–56.0) | 0.640 |
| Nonwhite | 40.3 (37.4–42.1) | 39.8 (36.4–41.9) | 44.6 (39.7–47.7) | 54.8 (52.1–56.5) | 0.010 |
| Age at admission, years | |||||
| <1 | 55.2 (42.9–67.7) | 43.9 (35.1–52.8) | 46.4 (37.0–55.9) | 44.7 (36.2–53.2) | <0.001 |
| 1–12 | 26.4 (17.8–35.0) | 34.3 (24.9–43.7) | 31.9 (22.6–41.2) | 34.8 (26.5–43.1) | <0.001 |
| 13–20 | 18.3 (13.6–23.0) | 21.8 (15.2–26.9) | 21.7 (17.1–26.3) | 20.4 (16.3–24.6) | 0.045 |
Note
Unless otherwise specified, data are percentage of hospitalizations; 95% confidence intervals are presented in parentheses.
a
Comparing characteristic across years.
b
Hospital admissions per 100,000 children.