Table 1 Patient clinical characteristics and MET activation
From: Automated alert and activation of medical emergency team using early warning score
Characteristics | Pre-implementation (n = 639) | Post-implementation (n = 957) | P-value |
|---|---|---|---|
Age, years | 62 (52–72) | 62 (51–71) | 0.316 |
Male | 374 (58.5) | 570 (59.8) | 0.627 |
Medical department | 503 (78.7) | 738 (77.1) | 0.451 |
Primary diagnosis for hospital admission | |||
 Gastrointestinal diseases | 49 (7.7) | 70 (7.3) | 0.792 |
 Cardiovascular diseases | 14 (2.2) | 15 (1.6) | 0.361 |
 Pulmonary diseases | 47 (7.4) | 82 (8.6) | 0.384 |
 Kidney diseases | 8 (1.3) | 10 (1.0) | 0.701 |
 Hemato-oncologic diseases | 311 (48.7) | 467 (48.8) | 0.960 |
 Infectious diseases | 35 (5.5) | 49 (5.1) | 0.754 |
 Other medical diseases | 39 (6.1) | 45 (4.7) | 0.219 |
 General surgery | 50 (7.8) | 110 (11.5) | 0.017 |
 Neurosurgery | 14 (2.2) | 25 (2.6) | 0.593 |
 Thoracic surgery | 4 (0.6) | 13 (1.4) | 0.163 |
 Other surgical disease | 68 (10.6) | 71 (7.4) | 0.025 |
Activation day and time | |||
 Weekday | 432 (67.6) | 709 (74.1) | 0.005 |
 Daytime hours (08:00–17:59) | 288 (45.1) | 404 (42.2) | 0.259 |
Reason for MET call | |||
 Respiratory system | 360 (56.3) | 395 (41.3) | < 0.001 |
 Circulatory system | 467 (73.1) | 683 (71.4) | 0.455 |
 Neurologic system | 104 (16.3) | 103 (10.8) | 0.001 |
 Concern about overall deterioration | 22 (3.4) | 99 (10.3) | < 0.001 |
MEWS scores | 8 (7–8) | 7 (7–8) | 0.001 |
Vital signs at the initiation of activation | |||
 Heart rates, beats/min | 132 (119–145) | 133 (121–144) | 0.510 |
 Mean blood pressure, mmHg | 72 (58–97) | 73 (61–94) | 0.598 |
 Respiratory rates, breaths/min | 28 (22–33) | 26 (22–32) | 0.021 |
 Body temperature, °C | 37.6 (36.5–38.7) | 38.1 (36.6–38.8) | 0.007 |
Time from derangement to MET activation, min | 60 (17–202) | 34 (4–129) | < 0.001 |
Interventions by MET | |||
 Oxygen administration or increase | 104 (16.4) | 120 (12.7) | 0.036 |
 HFNC/NIV | 14 (2.21) | 49 (7.35) | < 0.001 |
 Airway management | 112 (17.7) | 81 (8.5) | < 0.001 |
 Cardiopulmonary resuscitation | 25 (3.9) | 20 (2.1) | 0.032 |
 Cardioversion | 9 (1.4) | 14 (1.5) | 0.926 |
 Bolus fluid administration | 224 (35.3) | 200 (21.1) | < 0.001 |
 Medication therapy | 243 (38.3) | 397 (41.9) | 0.159 |
 Advice or consultation only | 85 (13.4) | 357 (37.5) | < 0.001 |
 Treatment limitation | 72 (11.3) | 107 (11.2) | 0.957 |
Duration of MET intervention, min | 65 (39–116) | 62 (36–132) | 0.953 |