Table 2.
Site and Overall Sample Characteristics. All characteristics except cardiac arrest were significantly different among the sites (p<0.001).
| Site | A | B | C | D | E | F | G | Overall |
|---|---|---|---|---|---|---|---|---|
| Sample Size | 1252 | 1404 | 1617 | 1498 | 1347 | 1547 | 1413 | 10078 |
| Median Age in Years (IQR) | 3.2 (0.7,10.4) | 3.5 (0.7,10.9) | 3.9 (1.0,10.4) | 4.0 (1.0,11.0) | 3.9 (1.3,10.9) | 4.1 (0.7,11.1) | 3.3 (0.6,11.1) | 3.7 (0.8,10.8) |
| Insurance1 Commercial/Government/Other (%) | 25.8/72.9/1.3 | 50.1/41.0/8.8 | 49.9/44.2/5.9 | 41.1/54.1/4.9 | 61.8/34.1/4.0 | 25.9/69.7/4.3 | 34.3/61.4/4.2 | 41.4/53.8/4.9 |
| Race: Caucasian/Black/-Other (%) | 45.8/48.0/6.2 | 70.5/10.5/18.9 | 47.8/27.8/24.4 | 45.7/44.3/10.0 | 76.8/15.7/7.5 | 44.0/6.9/49.1 | 30.2/8.2/61.6 | 51.2/22.8/26.0 |
| Primary System of Dysfunction (n (%)) | ||||||||
| Respiratory | 396 (31.6) | 422 (30.1) | 627 (38.8) | 614 (41.0) | 580 (43.1) | 449 (29.0) | 288 (20.4) | 3376 (33.5) |
| Cardiovascular disease | 347 (27.7) | 450 (32.1) | 321 (19.9) | 264 (17.6) | 192 (14.3) | 316 (20.4) | 540 (38.2) | 2430 (24.1) |
| Neurologic | 225 (18.0) | 218 (15.5) | 348 (21.5) | 268 (17.9) | 309 (22.9) | 373 (24.1) | 281 (19.9) | 2022 (20.1) |
| Other | 284 (22.7) | 314 (22.4) | 321 (19.9) | 352 (23.5) | 266 (19.7) | 409 (26.4) | 304 (21.5) | 2250 (22.3) |
| Admitted for Post-Intervention Care (n (%)2 | 459 (36.7) | 687 (48.9) | 580 (35.9) | 408 (27.2) | 456 (33.9) | 504 (32.6) | 703 (49.8) | 3797 (37.7) |
| PICU admission status | ||||||||
| Elective (n (%) | 417 (33.3) | 611 (43.5) | 544 (33.6) | 443 (29.6) | 453 (33.6) | 458 (29.6) | 741 (52.4) | 3667 (36.4) |
| Emergency n (%) | 835 (66.7) | 793 (56.5) | 1073 (66.4) | 1055 (70.4) | 894 (66.4) | 1089 (70.4) | 672 (47.6) | 6411 (63.6) |
| Cardiac Arrest Prior to PICU Admission (n (%)3 | 27 (2.2) | 14 (1.0) | 17 (1.1) | 24 (1.6) | 15 (1.1) | 19(1.2) | 26 (1.8) | 142 (1.4) |
| Median (IQR) Baseline FSS Score | 6.0 (6.0,8.0) | 6.0 (6.0,7.0) | 6.0 (6.0,9.0) | 6.0 (6.0,9.0) | 6.0 (6.0,9.0) | 6.0 (6.0,7.0) | 6.0 (6.0,8.0) | 6.0 (6.0,8.0) |
| Median (IQR) PRISM Score | 2.0 (0.0,5.0) | 3.0 (0.0,7.0) | 0.0 (0.0,4.0) | 2.0 (0.0,6.0) | 2.0 (0.0,5.0) | 0.0 (0.0,4.0) | 3.0 (0.0,7.0) | 2.0 (0.0,5.0) |
| Median (IQR) Hospital Length of Stay (days) | 5.2 (2.8,10.4) | 5.7 (2.9,13.8) | 4. 5(2.3,11.1) | 4.7 (2.2,10.7) | 4.2 (2.2,8.7) | 4.0 (1.9,7.7) | 7.0 (3.3,16.8) | 4.9 (2.5,11.0) |
| Outcome at hospital discharge (n (%)) | ||||||||
| New Morbidity4 | 60 (4.8) | 47 (3.3) | 80 (4.9) | 115 (7.7) | 35 (2.6) | 48 (3.1) | 78 (5.5) | 463 (4.6) |
| Death | 39 (3.1) | 41 (2.9) | 37 (2.3) | 36 (2.4) | 17 (1.3) | 34 (2.2) | 71 (5.0) | 275 (2.7) |
1
Other includes unknown
2
Interventions included operations and interventional catheterizations
3
Cardiac arrest occurring within 24 hours prior to hospital admission or during the hospitalization prior to the PICU admission
4
New Morbidity = Increase of FSS of ≥ 3
IQR = interquartile range