Fig. 7From: Prognosis of nonspecific interstitial pneumonia correlates with perivascular CD4+ T lymphocyte infiltration of the lungKaplan-Meier survival curve for 55 NSIP patients grouped by the cell density of CD4 in small vessel region. Green line: ≥61 cells/0.1 mm2. Blue line: < 61 cells/0.1 mm2. There is a significant difference (log-rank test: 4.58, p = 0.04) between the groupsBack to article page