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Table 2 Clinical features of patients classified as CTD-NSIP, NSIP-Ab (+), or NSIP-Ab (−)

From: Prognosis of nonspecific interstitial pneumonia correlates with perivascular CD4+ T lymphocyte infiltration of the lung

Characteristics CTD-NSIP (n = 21) NSIP-Ab (+) (n = 14) NSIP-Ab (−) (n = 20) p value
Age (years) 50.48 ± 11.73 44.57 ± 8.81 50.50 ± 9.99 0.197
Male (%) 15/21 (71.4 %) 10/14 (71.4 %) 11/20 (55.0 %) 0.468
Duration (months) 12.21 ± 18.06 18.06 ± 30.99 30.20 ± 78.73 0.528
Follow-up time (months) 43.14 ± 23.90 53.43 ± 29.07 44.40 ± 24.01 0.467
Symptoms
 Dyspnea 15/21 (71.4 %) 13/14 (92.9 %) 19/20 (95 %) 0.067
 Cough 14/21 (66.7 %) 10/14 (71.4 %) 16/20 (80 %) 0.627
 Chest pain 2/21 (9.5 %) 1/14 (7.1 %) 1/20 (5 %) 0.856
 Dry eyes or dry mouth 2/21 (9.5 %) 1/14 (7.1 %) 0 0.386
 Fever 2/21 (9.5 %) 2/14 (14.3 %) 3/20 (15 %) 0.853
 Arthralgia 6/21 (28.6 %) 3/14 (21.4 %) 1/20 (5 %) 0.138
 Rash 5/21 (23.8 %) 1/14 (7.1 %) 0 0.044
 Raynaud’s phenomenon 3/21 (14.3 %) 0 0 0.077
 Weight loss 2/21 (9.5 %) 1/14 (7.1 %) 1/20 (5.0 %) 0.856
Signs
 Crackles 19/21 (90.5 %) 13/14 (92.9 %) 15/20 (75 %) 0.246
 Clubbing 7/21 (33.3 %) 5/14 (35.7 %) 5/20 (25 %) 0.765