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Table 4 Cox proportional hazard regression model for discharge time for specialised burn services admitting children in England and Wales

From: Patient outcomes vs. service workload: an analysis of outcomes in the burn service of England and Wales

Variable Hazard ratio Standard error P > z 95% Interval
Available   1.0037 0.0063 0.5540 0.9915 1.0161
TBSA (%)   0.9357 0.0026 0.0000 0.9305 0.9409
Injury type Flame Ref
Flash 1.4917 0.0946 0.0000 1.3174 1.6890
Contact 1.3631 0.0569 0.0000 1.2561 1.4793
Scald 1.2452 0.0464 0.0000 1.1574 1.3396
Chemical 1.2574 0.1083 0.0080 1.0621 1.4887
Other 1.4443 0.0870 0.0000 1.2834 1.6253
Unknown 1.1402 0.1170 0.2010 0.9324 1.3942
Inhalation injury Absent Ref
Present 0.5754 0.1108 0.0040 0.3945 0.8391
Total grafts 0 Ref
1 0.6379 0.0188 0.0000 0.6020 0.6758
2 0.4122 0.0265 0.0000 0.3635 0.4674
3 0.2937 0.0223 0.0000 0.2531 0.3408
Bed severity allocation 1 Ref
2 1.0333 0.0954 0.7230 0.8623 1.2383
>3 0.9644 0.1546 0.8210 0.7043 1.3205
Available-bed severity allocation 2*available 0.9554 0.0135 0.0010 0.9293 0.9823
>3*available 0.9386 0.0221 0.0070 0.8963 0.9829
  1. *Interaction.