Figure 3From: Angiogenic activity of sera from interstitial lung disease patients in relation to clinical and radiological changes Angiogenesis index in relation to radiological changes: 1 - micronodular changes (n = 46), 2 - fibrotic changes (n = 33), and 3 - mediastinal changes (n = 32). The mean values are indicated by horizontal bars, significant differences between the groups are as follows: **P < 0.01 and ***P < 0.001.Back to article page