Table 2 Number (n) and percentage among the groups for pain presence, frequency, painful body areas and the results from the Patient-Reported Outcome Measurement Information System (PROMIS) questionnaires (T scores and p-values) during the last seven days
Single questions and questionnaires | Answer | JIA (n = 28) | Control group (n = 36) | p-value |
Did you experience pain in the past 7 days? | Yes, n(%) | 16 (57.1) | 10 (27.1) | 0.02 |
No, n(%) | 12 (42.9) | 26 (72.2) | ||
How was the frequency of the pain in the past 7 days? | Persistent n(%) | 1 (3.6) | 0 (0) | |
Recurrent n(%) | 14 (50) | 9 (25) | ||
Once n(%) | 1 (3.6) | 1 (2.8) | ||
No pain n(%) | 12 (42.9) | 26 (72.2) | ||
Where was the pain? | More than one body part n(%) | 10 (35.7) | 2 (5.6) | 0.03 |
One body part n(%) | 6 (21.4) | 8 (22.2) | ||
I did not experience pain n(%) | 12 (42.9) | 26 (72.2) | ||
JIA (n = 28) mean ± SD | Control group (n = 36) mean ± SD | p-value | ||
PROMIS PAEDIATRIC PAIN INTENSITY (0-10) | 3 ± 2.89 | 1.17 ± 2.04 | 0.009 | |
PROMIS PAEDIATRIC PAIN BEHAVIOUR – SHORT FORM (T-score) | 38.4 ± 11.3 | 31.1 ± 8.68 | 0.006 | |
PROMIS PAEDIATRIC PAIN INTERFERENCE – SHORT FORM (T-score) | 42.8 ± 8.97 | 36.6 ± 5.39 | 0.002 | |