Table 2.
Comparison of level of total knowledge scores between study and control groups before and after intervention during follow-up (n = 80)
| Total knowledge level at different times of assessment | Total knowledge level among the studied patients with chronic venous leg ulcer (n = 80) |
χ2 | p value | |||
|---|---|---|---|---|---|---|
| study group (n = 40) |
control group (n = 40) |
|||||
| n | % | n | % | |||
| Pretest | ||||||
| Poor (20–41) | 38 | 95.0 | 40 | 100 | ||
| Fair (42–52) | 1 | 2.5 | 0 | 0 | 2.051 | 0.359 |
| Good (53–63) | 1 | 2.5 | 0 | 0 | ||
| After 1 month | ||||||
| Poor | 39 | 97.5 | 40 | 100 | ||
| Fair | 1 | 2.5 | 0 | 0 | 1.013 | 0.314 |
| Good | 0 | 0 | 0 | 0 | ||
| After 3 months | ||||||
| Poor | 31 | 77.5 | 40 | 100 | ||
| Fair | 8 | 20.0 | 0 | 0 | 10.141 | 0.006* |
| Good | 1 | 2.5 | 0 | 0 | ||
| After 6 months | ||||||
| Poor | 1 | 2.5 | 40 | 100 | ||
| Fair | 36 | 90.0 | 0 | 0 | 76.098 | 0.0001 * |
| Good | 3 | 7.5 | 0 | 0 | ||
| After 12 months | ||||||
| Poor | 0 | 0 | 40 | 100 | ||
| Fair | 32 | 80.0 | 0 | 0 | 80.000 | 0.0001 * |
| Good | 8 | 20.0 | 0 | 0 | ||
| χ2 = 179.567 | χ2 = − | |||||
| p value = 0.0001* | p value = − | |||||
|
| ||||||
| Change of total knowledge scores after 12 months vs. pretest | −3.00: 36.00 29.58±8.50 |
2.00: 18.00 10.45±3.45 |
Z test 6.540 |
0.0001 * | ||
*
Statistically significant.