Physiological instability during standardised neurobehavioural assessments and clustered nursing cares
| Physiological instability | Assessment N=2565 n (%) | Cares N=1693 n (%) | OR 95% CI | P value | Adjusted OR* 95% CI | P value | Adjusted OR† 95% CI | P value |
| Tachycardia (>180 bpm) | 320 (12) | 453 (27) |
0.44 (0.22 to 0.86) | 0.017 |
0.42 (0.20 to 0.92) | 0.029 |
0.38 (0.20 to 0.74) | 0.005 |
| Bradycardia (<100 bpm) | 1 (0.04) | 3 (0.18) | 0.19 (0.01 to 2.81) | 0.227 | 0.16 (0.01 to 2.02) | 0.158 | 0.16 (0.01 to 2.03) | 0.160 |
| HR instability (>180 or <100 bpm) | 321 (13) | 456 (27) |
0.43 (0.22 to 0.85) | 0.015 |
0.42 (0.20 to 0.90) | 0.026 |
0.37 (0.19 to 0.73) | 0.004 |
| Desaturation (<90%) | 395 (15) | 518 (31) |
0.43 (0.26 to 0.70) | 0.001 |
0.43 (0.26 to 0.70) | 0.001 |
0.43 (0.26 to 0.71) | 0.001 |
*Adjusted for nasal continuous positive airway pressure.
†Adjusted for protocol order.
bpm, beats per minute; HR, heart rate.