Table 5.
Logistic regression model for prediction of raised scar outcome
| Wald | df | p value | Odds ratio | 95% CI for odds ratio | ||
|---|---|---|---|---|---|---|
| Lower | Upper | |||||
| Age (years) | 0.580 | 1 | 0.446 | 1.044 | 0.935 | 1.165 |
| %TBSA | 7.669 | 1 | 0.006 | 1.158 | 1.044 | 1.285 |
| Sex | ||||||
| Female sexa | 0.008 | 1 | 0.928 | 1.041 | 0.436 | 2.484 |
| Level of surgical intervention (proxy for wound depth) | ||||||
| SSG ± ReCell®b | 1.558 | 1 | 0.212 | 0.446 | 0.126 | 1.584 |
| Healed within 14 days | ||||||
| Not healed within 14 daysc | 17.873 | 1 | 0.000 | 11.621 | 3.727 | 36.234 |
| Multiple surgical procedures | ||||||
| Multiple surgical proceduresd | 7.459 | 1 | 0.006 | 11.521 | 1.994 | 66.566 |
| External cause of burn | 2.759 | 3 | 0.430 | |||
| External cause of burn × Level of surgical intervention (interaction) | 7.169 | 3 | 0.067 | |||
| Worst scar location | 8.476 | 6 | 0.205 | |||
| Constant | 12.758 | 1 | 0.000 | 0.016 | ||
Odds ratios and confidence intervals for the association between patient, injury and clinical factors and risk of developing raised scar after burn injury (total n = 186; missing cases in this analysis = 32)
aReference state = male
bReference state = conservative treatment
cReference state = healed within 14 days
dReference state = 0 or 1 surgical procedures