Estimates of Prevalence of Pulmonary Hypertension according to Different International Definitions

Table 2

Distribution of subjects according to diagnosis.

S. no.	Final diagnosis	No. of patients	Females (n = 141)		Males (n = 98)
			No.	%	No.	%
1	Hypersensitivity pneumonitis	77	45	58.4	32	41.6
2	CTD-ILDs	75	37	49.3	38	50.7
3	Sarcoidosis	30	14	46.7	16	53.3
4	IPF	38	11	28.9	27	71.1
5	Non-IPF IIPs	5	4	80.0	1	20.0
6	Others	14	7	50.0	7	50.0

%, row-wise; χ² = 31.136 (df = 5); . CTD-ILDs, connective tissue disease related interstitial lung diseases; IPF, idiopathic pulmonary fibrosis; IIP, idiopathic interstitial pneumonia; df, degrees of freedom.