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Table 1 Demographic characteristics of the 30 patients with RP

From: Is 18F-FDG PET/CT useful for diagnosing relapsing polychondritis with airway involvement and monitoring response to steroid-based therapy?

No.Age (y)/sexChief complainta (duration; months)MisdiagnosisSerum levelsANAsLung functionChest CT scanbBiopsy site
ESR (mm/1 h)CRP (mg/dL)RF (IU/mL)FEV1 (L)FVC (L)FEV1/FVC (%)
137/M1 (6)10022.02.1N1.684.6136.4a, bTracheal (−)/nasal cartilage (+)
238/M1, 2 (18)Asthma11510.693.6N1.744.6937.1a, bTracheal (−)/auricular (+)
355/M1, 3 (6)100.032.4N2.573.3277.3cTracheal (−)/nasal cartilage (+)
466/F1, 4 (24)COPD1055.364.2N1.644.5636.0eTracheal (−)/auricular (+)
541/M1, 4 (9)12026.412.0N0.921.3269.7a, bTracheal (−)/auricular (+)
655/M1 (10)11223.412.8N1.324.1931.46a, bTracheal (−)/auricular (+)
764/M5 (120)COPD110.884.9N0.572.3731.7a, bTracheal (−)/auricular (+)
860/M4 (72)Amyloidosis231.023.4N0.493.3792.3a, b, cAuricular (+)
942/M1, 4, 6 (4)8716.22.5N1.434.0835.0a, b, cTracheal (−)/auricular (+)
1047/F1, 4, 7 (1)4521.03.1N2.304.0246.5bTracheal (−)/auricular (−)
1150/F1 (4); 4 (0.5)346.43.0N1.103.6730.0bTracheal (−)/auricular (+)
1244/F1 (4); 4 (1)Asthma453.42.6N2.304.3253.2a, bTracheal (−)/auricular (+)
1344/F1, 5 (10)Asthma6834.43.2N1.703.8943.7a, bTracheal (−)/auricular (+)
1448/F4 (132)Asthma3410.01.0N0.672.3328.8a, b, cNasal cartilage (+)
1525/M1, 7 (1); 3 (0.5)12123.01.7N2.334.8747.8a, bTracheal (−)/auricular (+)
1626/F1, 4 (6)Asthma5621.02.650 U/ml1.023.2431.5a, bAuricular (+)
1752/M1, 5, 7 (60)Asthma4519.32.5N1.053.4530.4a, bAuricular (+)
1843/F4 (6); 1, 5 (2)3412.01.3N2.004.0149.9aNasal cartilage (+)
1936/F1, 8 (12); 4, 7 (6)3611.72.648 U/ml1.873.5652.5a, bTracheal (−)/auricular (+)
2036/M6 (12); 4 (6)11034.122.1N1.563.6742.5a, b, cTracheal (+)
2142/M1, 7 (60)Asthma3412.81.8N2.304.5051.1a, bTracheal (−)/auricular (+)
2245/M1, 3 (7)2211.332.3N1.202.0558.5a, dAuricular (+)
2334/F2, 4 (8)5623.03.5N1.982.8769.0a, b, dTracheal (−)
2462/M1, 7 (36)COPD4521.022.5N1.563.4545.2a, bTracheal (−)/nasal cartilage (+)
2545/F1, 5 (17)3312.341.56N2.014.5644.1aTracheal (+)
2634/F2, 4 (9)9823.562.01N1.873.4554.2a, bTracheal (−)/auricular (+)
2729/M1, 3 (8)12126.712.76N1.233.5634.6a, cAuricular (−)
2845/M1, 5 (14)5611.02.04N1.343.2141.7a, b, cTracheal (−)/auricular (+)
2964/M1, 4 (15)Asthma4532.12.87N2.234.6747.8a, bTracheal (−)/auricular (+)
3035/F1, 6 (12)3623.13.45N0.971.8951.3a, bTracheal (−)/auricular (+)
  1. Chief complaint: 1 = cough, 2 = chest pain, 3 = fever, 4 = shortness of the breath, 5 = wheezing, 6 = hoarseness, 7 = excessive sputum, 8 = pharyngalgia. Chest CT scan: a = diffuse thickening and narrowing of trachea, b = diffuse thickening and narrowing of main bronchus, c = calcification of the trachea, d = enlargement of the mediastinal lymph node, e = no abnormal manifestations
  2. ANAs antinuclear antibodies, COPD chronic obstructive pulmonary disease, CRP C-reactive protein, ESR erythrocyte sedimentation rate, F female, FEV1 forced expiratory volume in 1 s, FVC forced vital capacity, M male, N none, P present, RF rheumatoid factor, RP relapsing polychondritis, y years