Table 1. Demographic and medical characteristics of patients at baseline.
| Total = 191 | |
|---|---|
| Age, years, mean (SD) | 64.3 (14.7) |
| Male, n (%) | 102 (53.4%) |
| Social Deprivation index, n (%) | |
| Most deprived | 31 (16.7%) |
| Deprived | 44 (23.6%) |
| Privileged | 47 (25.3%) |
| Most privileged | 64 (34.4%) |
| Missing | 5 |
| Population density index, n (%) | |
| Rural | 14 (7.5%) |
| Semi rural | 35 (18.6%) |
| Semi urban | 44 (23.4%) |
| Urban | 95 (50.5%) |
| Missing | 3 |
| History of PEA*, n (%) | 6 (3.1%) |
| PH duration*, years, mean (SD) | 2.1 (2.5) |
| Median (IQR) | 1.1 (0.3–2.9) |
| At least one comorbidity among*,**, n (%) | |
| Ascites | 3 (1.6%) |
| Chronic ischaemic heart disease | 18 (9.4%) |
| Chronic renal disease | 12 (6.3%) |
| Chronic respiratory disease | 60 (31.4%) |
| Coagulation disorder | 7 (3.7%) |
| Connective tissue disease | 6 (3.1%) |
| Diabetes mellitus | 19 (9.9%) |
| Heart failure | 54 (28.3%) |
| Hypothyroidism | 9 (4.7%) |
| Liver disease | 5 (2.6%) |
| Obesity | 28 (14.7%) |
| Pacemaker | 4 (2.1%) |
| Sickle cell disease | 3 (1.6%) |
*Information available since 2006
** ICD-10 codes used to track comorbidities are reported in S1 File.