Table 4.

Presence of comorbidities

	mPAP <21 mmHg (n = 968)	mPAP 21–24 mmHg (n = 689)	mPAP ≥25 mmHg (n = 1272)	Overall	P-value
Lung disease a
No	633 (67.4%)	364 (53.7%)	575 (45.8%)	1572 (54.7%)
Yes	306 (32.6%)b,c	314 (46.3%)d	681 (54.2%)	1301 (45.3%)	<.000001
Left heart disease a
No	691 (75.2%)	440 (68.3%)	617 (50.5%)	1748 (62.8%)
Yes	227 (24.7%)b,c	204 (31.7%)d	604 (49.5%)	1035 (37.2%)	<.000001
Lung and/or left heart disease a
No	440 (48.6%)	204 (31.8%)	262 (21.2%)	906 (32.5%)
Yes	466 (51.4%)b,c	437 (68.2%)d	975 (78.8%)	1878 (67.5%)	<.000001
Connective tissue disease a
No	606 (62.6%)	446 (64.7%)	895 (70.4%)	1947 (66.5%)
Yes	362 (37.4%)c	243 (35.3%)d	377 (29.6%)	982 (33.5%)	.0003119

n and missing values can be found in Supplementary data online, Table S6.

^aDefined in Table 1.

^b P-value <.05 between mPAP <21 mmHg and mPAP 21–24 mmHg.

^c P-value <.05 between mPAP <21 mmHg and mPAP ≥25mmHg.

^d P-value <.05 between mPAP 21–24 mmHg and mPAP ≥25 mmHg.