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Table 3 Clinical presentation, laboratory data, treatment and outcome of CNO patients cohort divided following presence or absence of FBLIM1 variant. § 9 patients were lost at last follow-up

From: High prevalence of rare FBLIM1 gene variants in an Italian cohort of patients with Chronic Non-bacterial Osteomyelitis (CNO)

  Patients without FBLIM1 variants (62 patients) Patients with FBLIM1 variants (18 patients) P
Gender female 41 (66%) 11 (61%) 0,78
Median Age at onset 9.5 y (range 1.5–16) 8.9 y (range 1,5–12) 0,97
Clinical data
 Fever 30 (48%) 4 (22%) 0,06
 Swelling 11 (18%) 7 (38%) 0,1
 Pain 60 (96%) 15 (83%) 0,07
Sites   8.9 (median)  
 Long bones 46 (74%) 13 (72%) 1,0
 Pelvis 23 (37%) 11 (61%) 0,1
 Column 22 (35%) 5 (27%) 0,78
 Clavicle 16 (26%) 5 (27%) 1,0
 Chest and ribs 24 (39%) 3 (16%) 0,09
 Foot and hands 15 (24%) 4 (22%) 1,0
 Mandible 11 (18%) 1 (5%) 0,28
 Skulls 3 (5%) 0 (0%) 1,0
Skin involvements 11 (18%) 4 (22%) 0,73
Bowel involvements 3 (5%) 1 (6%) 1,0
Renal involvements 2 (3%) 0 (0%) 1,0
Laboratory data
 Elevated CRP 32 (52%) 14 (77%) 0,06
 Elevated ESR 41 (66%) 13 (72%) 0,78
Treatment
 NSAIDs 55 (89%) 17 (94%) 0,67
 Steroids 20 (32%) 6 (33%) 1,0
 MTX 12 (19%) 3 (16%) 1,0
 Sulfasalazine 10 (16%) 3 (16%) 1,0
 Adalimumab 3 (5%) 1 (5%) 1,0
 Etanercept 8 (13%) 2 (11%) 1,0
 Infliximab 3 (5%) 2 (11%) 0,31
 Anakinra 9 (15%) 3 (17%) 1,0
 Neridronate 2 (3%) 1 (6%) 1,0
 Pamidronate 29 (47%) 8 (44%) 1,0
Outcome at last follow up§
 Remission without therapy 32 (52%) 5 (28%) 0,11
 Remission on therapy 18 (29%) 5 (28%) 1,0
 Active disease 6 (10%) 5 (28%) 0,11