Table 1. Comparison between the two studied groups regarding studied clinical and biochemical data.
| Characteristics | Cases (n = 25) | Controls (n = 25) | Test of significance |
|---|---|---|---|
| Sex | |||
| Male (No. and %) | 17 (68%) | 15 (60%) | χ2 = 0.347, p = 0.556 |
| Female (No. and %) | 8 (32%) | 10 (40%) | |
| Age (years) | |||
| Min.–Max | 17.0–60.0 | 18.0–60.0 | t = 0.010, p = 0.992 |
| Mean ± SD. | 40.08 ± 14.42 | 40.12 ± 14.19 | |
| PASI score | |||
| Mild (<10) | 15 (60%) | NA | |
| Moderate to Severe (≥10) | 10 (40%) | ||
| CD 200 pg/ml | |||
| Min.–Max. | 36.0–400.0 | 13.0–30.0 | U = 0.0*, p<0.001* |
| Median | 70 | 17 | power = 98.28% |
| CD200R expression (lymphocytes) (MFI) | |||
| Min.–Max. | 8.0–27.0 | 19.0–41.0 | U = 11.50*, p <0.001* |
| Median | 17 | 30 .0 | power = 100% |
| CD200R expression (monocytes) (MFI) | |||
| Min.–Max. | 13.0–36.0 | 24.0–49.0 | U = 31.50*, p<0.001* |
| Median | 23 | 37 | power = 100% |
χ2, p: χ2 and p values for Chi square test for comparing between the two groups
t, p: t and p values for Student t-test for comparing between the two groups
NA: not applicable
U, p: U and p values for Mann Whitney test for comparing between the two groups
*: Statistically significant at p ≤ 0.05