Table 5.
Bivariate analysis of incident ulceration
| Variable | Ulceration (n = 36) | No ulceration (n = 540) | Magnitude of difference | p |
|---|---|---|---|---|
| Diabetes duration (years) | 18.6 ± 12.5 | 11.6 ± 9.7 | Cohen's d = 0.7 MD 7.0 (2.7 to 11.3) |
0.002* |
| Age (years) | 64.8 ± 11.4 | 71.7 ± 11.5 | Cohen's d = 0.6 MD -6.9 (-2.9 to -10.8) |
0.001* |
| Past foot pathology (%) |
Yes: 20.0 No: 2.2 |
Yes: 80.0 No: 97.8 |
Cramer's V = 0.3 OR 10.9 (5.1 to 23.3) |
< 0.001* |
| Diabetes type (%) | 1: 20.8 2: 5.6 |
1: 79.2 2: 94.4 |
Cramer's V = 0.1 OR 4.4 (1.55 to 12.6) |
0.003* |
| Gender (%) | M: 7.2 F: 5.2 |
M: 92.8 F: 94.8 |
Cramer's V = 0.1 OR 0.04 (0.7 to 2.8) |
0.330 |
Bivariate relationships were analysed used Chi-square analysis for categorical data and independent samples t-test for continuous data. OR = unadjusted odds ratio (95% confidence interval). MD = mean difference (95% confidence interval)
*Statistically significant