Table 2 Study outcomes for the cohort and at-risk subjects.
From: A randomized controlled trial of artificial intelligence-based analytics for clinical deterioration
| Â | Cohort | At-risk subgroup | ||||
|---|---|---|---|---|---|---|
Display on n = 5242 | Display Off n = 5180 | IRR/OR (95% CI) | Display on n = 1459 | Display off n = 1426 | IRR/OR (95% CI) | |
Primary Outcome: | ||||||
 Event-Free Hours | 504 (0-504) | 504 (0-504) | 0.995 (0.88–1.12) | 504 (0-504) | 504 (0-504) | 1.07 (0.91–1.26) |
Outcome censored due to: | ||||||
 No censoring | 4461 (85.1) | 4411 (85.1) |  | 1204 (82.5) | 1168 (81.9) |  |
 Bed change | 617 (11.8) | 595 (11.5) |  | 195 (13.4) | 197 (13.8) |  |
 Re-randomization | 164 (3.1) | 174 (3.4) |  | 60 (4.1) | 61 (4.3) |  |
Components of Primary Outcome: | ||||||
 Had any Event | 282 (5.4) | 271 (5.2) | 1.01 (0.85–1.20) | 179 (12.3) | 171 (12.0) | 1.05 (0.84–1.32) |
 Event-Free Hours in Patients with an Event1 | 100.6 (0-500) | 95.0 (0-499) | 0.99 (0.88–1.12) | 142.8 (0-500) | 90.4 (0-498) | 1.07 (0.91–1.26) |
 Death | 57 (1.1) | 42 (0.8) | 1.42 (0.93–2.16) | 37 (2.5) | 28 (2.0) | 1.45 (0.86–2.46) |
 Emergent ICU Admission | 224 (4.3) | 233 (4.5) | 0.94 (0.78–1.13) | 151 (10.3) | 150 (10.6) | 0.99 (0.90–1.27) |
 Emergent Intubation | 65 (1.2) | 48 (0.9) | 1.31 (0.89–1.92) | 38 (2.6) | 30 (2.1) | 1.29 (0.78–2.13) |
 Cardiac arrest followed by ICU/Death | 22 (0.4) | 25 (0.5) | 0.84 (0.45–1.54) | 12 (0.8) | 14 (1.0) | 0.96 (0.42–2.19) |
 Emergent transfer for Surgery | 22 (0.4) | 16 (0.3) | 1.34 (0.68–2.61) | 11 (0.8) | 8 (0.6) | 1.67 (0.66–4.21) |
First Event that Occurred | ||||||
 Death | 21 (0.4) | 16 (0.3) |  | 14 (1.0) | 10 (0.7) |  |
 Emergent ICU | 198 (3.8) | 201 (3.9) |  | 133 (9.1) | 131 (9.3) |  |
 Emergent Intubation | 24 (0.5) | 16 (0.3) |  | 11 (0.8) | 9 (0.6) |  |
 Cardiac arrest followed by ICU/Death | 18 (0.3) | 22 (0.4) |  | 10 (0.7) | 11 (0.8) |  |
 Surgery | 21 (0.4) | 16 (0.3) |  | 11 (0.8) | 8 (0.6) |  |
