From: Impact of bronchoalveolar lavage lymphocytosis on the effects of anti-inflammatory therapy in idiopathic non-specific interstitial pneumonia, idiopathic pleuroparenchymal fibroelastosis, and unclassifiable idiopathic interstitial pneumonia
BAL lymphocytes
 ≤ 15% (n = 107)
 > 15% (n = 79)
Anti-inflammatory drugs
 Yes (n = 123)
1.00
0.26 (0.11–0.63)
 No (n = 63)
0.43 (0.17–1.08)
0.80 (0.29–2.18)