Table 5 Distribution of T lymphocytes in the CTD-NSIP, NSIP-Ab (+) and NSIP-Ab (−) groups
|  | CTD-NSIP group (n = 21) | NSIP-Ab (+) group (n = 14) | NSIP-Ab (−) group (n = 20) | P value |
|---|---|---|---|---|
CD4+ T lymphocytes (number/0.1Â mm2) | ||||
 Follicle region | 181.5 ± 87.2 | 155.4 ± 110.7 | 144.4 ± 73.1 | 0.401 |
 Perivascular region | 70.2 ± 26.8 | 54.5 ± 25.4 | 51.2 ± 27.0 | 0.061 |
 Interstitial region | 42.9 ± 12.5 | 38.2 ± 10.9 | 38.15 ± 12.20 | 0.372 |
 Peribronchial region | 28.8 ± 13.4 | 25.6 ± 13.3 | 26.3 ± 16.1 | 0.989 |
CD8+ T lymphocytes (number/0.1Â mm2) | ||||
 Follicle region | 107.9 ± 72.2 | 102.4 ± 26.1 | 107.8 ± 50.9 | 0.139 |
 Perivascular region | 59.5 ± 23.7 | 46.6 ± 17.4 | 42.7 ± 19.8 | 0.115 |
 Interstitial region | 45.7 ± 23.9 | 33.3 ± 19.5 | 54.2 ± 39.0 | 0.139 |
Peribronchial region | 36.0 ± 21.6 | 30.2 ± 15.7 | 30.4 ± 19.4 | 0.579 |