Comparing proportions of total audits (N=10 383) with nursing interventions by intervention and control groups at T0, T1 and T2
| Group | Time 0 | Time 1 | Time 1 vs Time 0 * | Time 2 | Time 2 vs Time 0 * | P value† |
| n/N (%) | n/N (%) | OR (95% CI) | n/N (%) | OR (95% CI) | ||
| Proportion of audits with at least one vital sign measurement every 8 hours | ||||||
| Both | 3072/3370 (91.2%) | 3236/3535 (91.5%) | 1.05 (0.89 to 1.24) | 3206/3478 (92.2%) | 1.14 (0.96 to 1.36) | |
| Intervention | 1537/1716 (89.6%) | 1611/1778 (90.6%) | 1.12 (0.90 to 1.40) | 1609/1747 (92.1%) | 1.36 (1.08 to 1.72) | 0.010 |
| Control | 1535/1654 (92.8%) | 1625/1757 (92.5%) | 0.95 (0.74 to 1.23) | 1597/1731 (92.3%) | 0.92 (0.71 to 1.19) | 0.689 |
| Time 1 vs Time 0 OR (95% CI)‡ | Time 2 vs Time 0 OR (95% CI)‡ | |||||
| 1.14 (0.79 to 1.65) | 1.43 (0.98 to 2.09) | |||||
| p=0.471 | p=0.064 | |||||
| Proportion of audits with a complete set of vital sign measurements every 8 hours | ||||||
| Both | 2782/3370 (82.6%) | 2930/3535 (82.9%) | 1.02 (0.90 to 1.16) | 2919/3478 (83.9%) | 1.10 (0.97 to 1.25) | |
| Intervention | 1418/1716 (82.6%) | 1483/1778 (83.4%) | 1.06 (0.89 to 1.26) | 1491/1747 (85.3%) | 1.22 (1.02 to 1.47) | 0.034 |
| Control | 1364/1654 (82.5%) | 1447/1757 (82.4%) | 0.99 (0.83 o 1.18) | 1428/1731 (82.5%) | 1.00 (0.84 to 1.20) | 0.912 |
| Time 1 vs Time 0 OR (95% CI)‡ | Time 2 vs Time 0 OR (95% CI)‡ | |||||
| 1.06 (0.80 to 1.39) | 1.23 (0.93 to 1.63) | |||||
| p=0.697 | p=0.154 | |||||
| Proportion of audits with repeated measurement in 30 min after at least one abnormal vital sign | ||||||
| Both | 51/845 (6.0%) | 60/861 (7.0%) | 1.17 (0.79 to 1.72) | 32/909 (3.5%) | 0.57 (0.36 to 0.89) | |
| Intervention | 22/437 (5.0%) | 33/416 (7.9%) | 1.62 (0.93 to 2.87) | 14/452 (3.1%) | 0.61 (0.30 to 1.19) | 0.169 |
| Control | 29/408 (7.1%) | 27/445 (6.1%) | 0.84 (0.49 to 1.46) | 18/457 (3.9%) | 0.54 (0.29 to 0.98) | 0.109 |
| Time 1 vs Time 0 OR (95% CI)‡ | Time 2 vs Time 0 OR (95% CI)‡ | |||||
| 1.71 (0.81 to 3.62) | 0.97 (0.39 to 2.40) | |||||
| p=0.158 | p=0.947 | |||||
| Proportion of audits with nursing intervention documented after triggering pre-MET or MET | ||||||
| Both | 271/845 (32.1%) | 290/861 (33.7%) | 1.08 (0.88 to 1.32) | 273/909 (30.0%) | 0.91 (0.74 to 1.11) | |
| Intervention | 144/437 (33.0%) | 152/416 (36.5%) | 1.17 (0.88 to 1.55) | 130/452 (28.8%) | 0.82 (0.62 to 1.09) | 0.197 |
| Control | 127/408 (31.1%) | 138/445 (31.0%) | 0.99 (0.74 to 1.33) | 143/457 (31.3%) | 1.01 (0.76 to 1.35) | 0.958 |
| Time 1 vs Time 0 OR (95% CI)‡ | Time 2 vs Time 0 OR (95% CI)‡ | |||||
| 1.17 (0.77 to 1.79) | 0.81 (0.53 to 1.23) | |||||
| p=0.465 | p=0.320 | |||||
| Proportion of audits with medical team review in 60 min of triggering pre-MET or MET | ||||||
| Both | 63/845 (7.5%) | 65/861 (7.5%) | 1.01 (0.71 to 1.46) | 78/909 (8.6%) | 1.16 (0.82 to 1.65) | |
| Intervention | 24/437 (5.5%) | 32/416 (7.7%) | 1.43 (0.83 to 2.50) | 30/452 (6.6%) | 1.22 (0.70 to 2.15) | 0.471 |
| Control | 39/408 (9.6%) | 33/445 (7.4%) | 0.76 (0.46 to 1.23) | 48/457 (10.5%) | 1.11 (0.71 to 1.74) | 0.606 |
| Time 1 vs Time 0 OR (95% CI)‡ | Time 2 vs Time 0 OR (95% CI)‡ | |||||
| 1.75 (0.82 to 3.73) | 1.05 (0.50 to 2.21) | |||||
| p=0.144 | p=0.890 | |||||
*OR (95% CI) compares within-group difference across follow-ups.
†P value for trend tests the changes in the outcome across time points (T0, T1 and T2) in each study group.
‡Intervention effect: OR (95% CI) comparing changes over time from T0 between intervention and control at Time 1 and Time 2.