Degree of improvement  
  Marked (≥70%) Moderate (30- <70) Minimal (<30) P
Soluble p selectin after NB-UVB        
Min.-Max 25.0-103.41 35.0-110.49 70.44-126.53 0.032*
Mean ± SD 49.93 ± 22.07 53.96 ± 23.59 93.93 ± 25.19
Median 42.31 46.70 89.37
p: p value for Kruskal Wallis test. *: Statistically significant at p ≤ 0.05.
Table 2: The Relation between the degree of improvement and soluble p selectin after NB-UVB.