Table 2 Median self-reported pain and OSBD scores of the two groups of study
From: Perception of venipuncture pain in children suffering from chronic diseases
|  | Chronic | Non-chronic | Mann–Whitney-Wilcoxon test p |
|---|---|---|---|
Median OSBD score | 27 (range 18–33) | 5 (range 0–33) | <0.00001 |
Median pain score | 8 (range 6–8) | 2 (range 0–10) | <0.00001 |