Table 5.
Risk of damage accrual by number of HDAS episodes
| Number of HDAS episodes | Odds of accruing damage | |||
|---|---|---|---|---|
| Unadjusted | Adjusted for observation timea | |||
| OR (95% CI) | p value | OR (95% CI) | p value | |
| 0 | 1 | Not applicable | 1 | Not applicable |
| 1 | 1.35 (0.72–2.51) | 0.41 | 1.74 (0.63–4.5) | 0.27 |
| 2 | 2.27 (1.13–4.55) | 0.02* | 1.09 (0.48–2.15) | 0.83 |
| 3 | 2.23 (0.92–5.41) | 0.08 | 1.44 (0.74–2.58) | 0.23 |
| 4 or more | 20.29 (5.80–70.98) | <0.001* | 3.31 (1.66–13.26) | 0.01* |
OR odds ratio, CI confidence interval
*Statistically significant at p < 0.05
aAdjusted for observation time modelled as a categorical variable (<5 years, 5–<10 years, and 10+ years)