Table 2.
Baseline Characteristics of Patients With and Without MET Evaluation Preceding CPR
| Total (N =215) | Preceding MET Activation (n=48) | No Preceding MET Activation (n= 167) | P value | |
|---|---|---|---|---|
| Demographics | ||||
| Age | <0.001 | |||
| Mean ± SD | 3.9 ± 5.3 | 6.8 ± 6.5 | 3.1 ± 4.7 | |
| Median (IQR) | 1.0 (0.2, 7.0) | 3.5 (0.7, 14.0) | 0.7 (0.1, 3.0) | |
| Male Sex | 126 (58.6%) | 31 (64.6%) | 95 (56.9%) | 0.34 |
| Race | 0.88 | |||
| White | 114 (53.0%) | 25 (52.1%) | 89 (53.3%) | |
| Black | 58 (27.0%) | 15 (31.3%) | 43 (25.7%) | |
| Other | 16 (7.4%) | 3 (6.3%) | 13 (7.8%) | |
| Unknown | 27 (12.6%) | 5 (10.4%) | 22 (13.2%) | |
| Pre-Existing Conditions | ||||
| Heart failure this admission | 13 (6.0%) | 3 (6.3%) | 10 (6.0%) | 1.00 |
| Heart failure prior to admission | 6 (2.8%) | 1 (2.1%) | 5 (3.0%) | 1.00 |
| Hypotension | 25 (11.6%) | 19 (39.6%) | 6 (3.6%) | < 0.001 |
| Respiratory insufficiency | 109 (50.7%) | 24 (50.0%) | 85 (50.9%) | 0.91 |
| Renal insufficiency | 15 (7.0%) | 3 (6.3%) | 12 (7.2%) | 1.00 |
| Metabolic/Electrolyte | 18 (8.4%) | 9 (18.8%) | 9 (5.4%) | 0.006 |
| Abnormalities | ||||
| Sepsis | 16 (7.4%) | 8 (16.7%) | 8 (4.8%) | 0.01 |
| Pneumonia | 12 (5.6%) | 3 (6.3%) | 9 (5.4%) | 0.73 |
| Metastatic or hematologic malignancy | 20 (9.3%) | 11 (22.9%) | 9 (5.4%) | < 0.001 |
| Major trauma | 2 (0.9%) | 2 (4.2%) | 0 (0.0%) | 0.05 |
| Hepatic insufficiency | 5 (2.3%) | 3 (6.3%) | 2 (1.2%) | 0.07 |
| Baseline depression in CNS function | 32 (14.9%) | 5 (10.4%) | 27 (16.2%) | 0.32 |
| Acute CNS non-stroke event | 10 (4.7%) | 5 (10.4%) | 5 (3.0%) | 0.05 |
| Event Characteristics | ||||
| Initial Rhythm | 0.19 | |||
| Asystole | 43 (20.0%) | 5 (10.4%) | 38 (22.8%) | |
| PEA | 48 (22.3%) | 13 (27.1%) | 35 (21.0%) | |
| VF | 2 (0.9%) | 0 (0.0%) | 2 (1.2%) | |
| Pulseless VT | 10 (4.7%) | 4 (8.3%) | 6 (3.6%) | |
| Bradycardia | 112 (52.1%) | 26 (54.2%) | 86 (51.5%) | |
| Time of Arrest | 0.42 | |||
| Week day | 116 (54.0%) | 22 (45.8%) | 94 (56.3%) | |
| Weeknight | 36 (16.7%) | 10 (20.8%) | 26 (15.6%) | |
| Weekend | 63 (29.3%) | 16 (33.3%) | 47 (28.1%) | |
| Arrest Location | < 0.001 | |||
| General Inpatient Area | 109 (50.7%) | 8 (16.7%) | 101 (60.5%) | |
| Telemetry/Step-down | 68 (31.6%) | 2 (4.2%) | 66 (39.5%) | |
| Adult ICU | 1 (0.5%) | 1 (2.1%) | 0 (0.0%) | |
| Pediatric ICU | 37 (17.2%) | 37 (77.1%) | 0 (0.0%) | |
| Hospital Teaching Status | 0.006 | |||
| Major teaching* | 190 (88.4%) | 37 (77.1%) | 153 (91.6%) | |
| Minor teaching† | 24 (11.2%) | 10 (20.8%) | 14 (8.4%) | |
| Non-teaching | 1 (0.5%) | 1 (2.1%) | 0 (0.0%) | |
| Hospital Bed size | 0.178 | |||
| <250 beds | 1 (0.5%) | 1 (2.1%) | 0 (0.0%) | |
| 250–499 beds | 124 (57.7%) | 32 (66.7%) | 92 (55.1%) | |
| >499 beds | 90 (41.9%) | 15 (31.3%) | 75 (44.9%) | |
Abbreviations: MET, medical emergency team; SD, standard deviation; IQR, inter-quartile range; CNS, central nervous system; PEA, pulsesless electrical activity; VF, ventricular fibrillation; VT, ventricular tachycardia; ICU, intensive care unit
*
Includes institutions with residents and fellows
†
Includes institutions with residents