Table 2 Improvements on the juvenile idiopathic arthritis (JIA) core set of six response variables and evaluation by ACR Pedi 30, 50 or 70 score in patients with JIA using etanercept
Start3 months15 months27 months39 months51 months63 months75 months
Median per core set response variable (25%–75%):
VAS doctor68 (53–78)15 (8–29)10 (2–23)10 (2–20)11 (4–32)5 (0–10)6 (0–14)10 (5–35)
CHAQ (0–3)2.0 (1.2–2.4)1.0 (0.4–1.8)0.4 (0–1.0)0.4 (0–1.0)0.8 (0.2–1.4)0.3 (0–0.9)0.6 (0.1–1.1)0.9 (0.5–1.6)
VAS well-being54 (27–76)10 (2–40)5 (0–26)8 (0–27)6 (0–45)10 (0–36)9 (0–59)30 (6–58)
Active joints12 (7–22)2 (0–6)1 (0–3)0 (0–6)1 (0–4)0 (0–2)0 (0–2)1 (0–5)
Limited joints9 (6–14)5 (2–9)2 (1–6)0 (0–6)4 (2–9)3 (2–5)3 (1–5)3 (2–7)
ESR (mm/h)27 (15–46)10 (5–20)8 (5–17)4 (1–7)11 (5–32)8 (4–16)7 (4–15)16 (5–33)
Patients per JIA subtype:
Total populationn = 146n = 142n = 97n = 57n = 29n = 23n = 10n = 5
    ACR301129050212173
    ACR50958846192173
    ACR70727440151762
    Remission352791151
Systemic JIAn = 39n = 37n = 24n = 16n = 9n = 8n = 4n = 0
    ACR30222114684
    ACR50162013684
    ACR70101610574
    Remission98574
Polyarticular JIA RF+n = 11n = 11n = 9n = 5n = 4n = 4n = 3n = 3
    ACR309833312
    ACR508833312
    ACR706722211
    Remission310111
Polyarticular JIA RF–n = 55n = 53n = 36n = 24n = 10n = 8n = 2n = 1
    ACR304833218710
    ACR504233186710
    ACR703328175610
    Remission14122300
Oligoarticular JIAn = 28n = 28n = 18n = 9n = 3n = 2n = 1n = 1
    ACR30221891211
    ACR50201791211
    ACR70161581100
    Remission651000
ERAn = 5n = 5n = 4n = 2n = 2n = 1n = 0n = 0
    ACR3044221
    ACR5044221
    ACR7043211
    Remission0000
JIA psoriatican = 8n = 8n = 6n = 1n = 1n = 0n = 0n = 0
    ACR307611
    ACR505611
    ACR703511
    Remission311
  • Data shown is n or n (range). ACR Pedi 30, 50, 70, American College of Rheumatology paediatric score for 30, 50 or 70% improvement.14 Remission: criteria of remission by Wallace et al on medication.15

  • CHAQ, children’s health assessment questionnaire; ERA, enthesitis-related arthritis; ESR, erythrocyte sedimentation rate; oJIA ext, oligoarticular extended JIA; pJIA RF–, polyarticular rheumatoid factor negative JIA; pJIA RF+, polyarticular rheumatoid factor positive JIA; PsJIA, juvenile arthritis psoriatica; sJIA, systemic JIA; VAS, visual analogue scale (0–100 mm).