From: Peripheral microangiopathy in precapillary pulmonary hypertension: a nailfold video capillaroscopy prospective study
Healthy controls
(N = 30)
IPAH
(N = 14)
CTEPH
Semi-quantitative severity score
0
20 (66.7%)
2 (14.3%)
1
10 (33.3%)
10 (71.4%)
13 (92.8%)
2
1 (7.2%)