Table 3.
Spearman’s rank correlation between lesion types and clinical parameters
| Type 1 | Type 2 | Type 3 | Type 4 | Total | |
|---|---|---|---|---|---|
| mPAP | 0.24 | 0.15 | −0.57 | 0.42 | 0.12 |
| PVR | 0.64 | 0.22 | 0.51 | 0.33 | 0.48 |
| 6MWT | 0.32 | −0.46 | 0.26 | −0.44 | −0.13 |
| Age at diagnosis | 0.18 | −0.29 | 0.19 | 0.13 | 0.13 |
| Disease duration | −0.38 | 0.04 | −0.22 | −0.59 | −0.31 |
Correlation coefficients for lesion density (lesion/mm3) correlated to clinical parameters through Spearman’s rank correlation. mPAP, mean pulmonary arterial pressure; PVR, pulmonary vascular resistance; 6MWT, nonencouraged 6-min walk test.