Table 3 Multivariable analyses of the association between time taken to arrive at the bedside and LOS in PICU (n = 9116) or LOV in PICU (n = 9115), given the child’s characteristics and sickness
Characteristic | Incidence rate ratio (LOS) | 95% confidence interval (LOS) | Incidence rate ratio (LOV) | 95% confidence interval (LOV) |
|---|---|---|---|---|
Time to arrive at bedside | ||||
≤ 60 min | Baseline | Baseline | Baseline | Baseline |
61 to 90 min | 0.98 | 0.90 to 1.06 | 0.98 | 0.90 to 1.06 |
91 to 120 min | 1.01 | 0.92 to 1.12 | 1.00 | 0.91 to 1.11 |
121 to 180 min | 1.04 | 0.96 to 1.13 | 1.05 | 0.97 to 1.13 |
181+ minutes | 1.05 | 0.94 to 1.19 | 1.02 | 0.90 to 1.15 |
Age | ||||
< 1 year | Baseline | Baseline | Baseline | Baseline |
1 to < 5 years | 0.93 | 0.84 to 1.02 | 0.87 | 0.78 to 0.98 |
5 to < 11 years | 0.97 | 0.89 to 1.07 | 0.83 | 0.73 to 0.94 |
11 to < 16 years | 0.96 | 0.83 to 1.10 | 0.79 | 0.64 to 0.99 |
PIM 2 | ||||
< 1% | Baseline | Baseline | Baseline | Baseline |
1 to < 5% | 1.24 | 1.14 to 1.36 | 1.32 | 1.18 to 1.48 |
5 to < 15% | 1.62 | 1.52 to 1.72 | 1.82 | 1.68 to 1.97 |
15 to < 30% | 2.08 | 1.80 to 2.39 | 2.40 | 2.03 to 2.84 |
30 + % | 1.67 | 1.37 to 2.03 | 2.13 | 1.69 to 2.68 |
Diagnosis | ||||
Respiratory | Baseline | Baseline | Baseline | Baseline |
Cardiovascular | 0.93 | 0.79 to 1.10 | 0.77 | 0.64 to 0.92 |
Endocrine | 0.69 | 0.48 to 0.99 | 0.58 | 0.34 to 0.99 |
Haem/oncology | 0.94 | 0.55 to 1.62 | 0.95 | 0.43 to 2.09 |
Infection | 0.73 | 0.65 to 0.82 | 0.72 | 0.60 to 0.86 |
Neurological | 0.56 | 0.47 to 0.67 | 0.54 | 0.44 to 0.66 |
Trauma and accidents | 0.64 | 0.39 to 1.04 | 0.65 | 0.35 to 1.20 |
Other | 0.83 | 0.67 to 1.04 | 0.83 | 0.60 to 1.14 |
Ventilated at referral | ||||
No (not indicated) | Baseline | Baseline | Baseline | Baseline |
Yes | 0.98 | 0.89 to 1.08 | 1.19 | 1.05 to 1.35 |
No (advised to intubate) | 0.94 | 0.85 to 1.05 | 1.11 | 1.02 to 1.21 |
Collection unit size | ||||
Small | Baseline | Baseline | Baseline | Baseline |
Medium | 0.99 | 0.92 to 1.08 | 0.97 | 0.88 to 1.07 |
Large | 0.99 | 0.92 to 1.07 | 1.00 | 0.92 to 1.08 |
Receiving critical care | ||||
No | Baseline | Baseline | Baseline | Baseline |
Yes | 1.09 | 0.98 to 1.21 | 1.06 | 0.91 to 1.24 |