| Hazard ratio (95% CI) | |
---|---|---|
Univariable | Multivariable | |
Intervention group (referent control) | 0.72 (0.46–1.11)* | 0.51 (0.29–0.89)** |
Age (1-year increments) | 1.01 (1.00–1.02)* | ^ |
Female (referent male) | 1.66 (1.08–2.57)** | 1.83 (1.09–3.09)** |
Weight category (referent underweight): | ||
Healthy | 0.64 (0.34–1.21)* | § |
Overweight | 0.75 (0.39–1.44) | § |
Obese | 0.43 (0.19–0.99)** | § |
Inserted on dominant side (referent no) | 1.44 (0.92–2.25)* | § |
Skin integrity: fair/poor (referent good) | 1.64 (1.02–2.63)** | § |
Surgical emergency admission (referent elective/medical) | 0.56 (0.30–1.05)* | 0.38 (0.17–0.86)** |
Wound at baseline (referent no) | 1.54 (0.98–2.42)* | 2.17 (1.22–3.86)** |
Device size 22/24 gauge (referent 18/20 gauge) | 2.12 (1.37–3.29)** | § |
Placement in accessory cephalic or medial antebrachial vein (referent other) | 1.64 (1.04–2.59)** | § |
Location: hand (referent forearm) | 2.11 (0.96–4.62)* | 2.79 (1.05–7.41)** |
IV medication received:a | ||
Fluids | 1.73 (0.92–3.26)* | § |
Ceftriaxone | 0.34 (0.06–1.81)* | § |
Piperacillin/tazobactam | 1.52 (0.86–2.70)* | § |
Nothing | 0.31 (0.08–1.16)* | ^ |
Device in usea | 3.55 (1.09–11.6)** | 3.75 (1.09–12.8)** |
Additional securementsa: | ||
Elasticised tubular bandage | 0.22 (0.08–0.64)** | § |
Nil | 2.15 (0.84–5.48)* | ^ |