Table 3.
Kruskal–Wallis Test Showing the Association of Attrition Score with Age Categories
| N | Male | Female | Mean Attrition Score ±SD | Median (IQR) | Range | |
|---|---|---|---|---|---|---|
| <20 | 2 | 1 | 1 | 0.25±0 | 0.25(0.25, 0.25) | 0.25–0.25 |
| 21–30a,b,c,d | 74 | 40 | 34 | 1.62±2.09 | 0.5(0.25, 2.75) | 0–9 |
| 31–40a | 32 | 11 | 21 | 3.51±2.82 | 2.5(1.25, 6.5) | 0–8 |
| 41–50b | 12 | 3 | 9 | 5.35±2.3 | 6(4.13, 6.75) | 1–8 |
| 51–60c | 12 | 8 | 4 | 6.54±2.2 | 7.38(5.63, 8) | 1.5–9 |
| 61–70d | 4 | 3 | 1 | 6.38±2.05 | 6.88(4.75, 8) | 3.75–8 |
| Kruskal–Wallis test | Test value of 47.952 and p-value of ≤0.001 | |||||
Notes: a,b,c,dSymbols represent pairwise comparison. Similar symbols represent significant difference with a p-value of <0.05 (Bonferroni correction).