Table 1.
Total number of patients active under the service 2010-2014, broken down by centres.
| Specialised pulmonary hypertension centre | Total 2010 | Total 2011 | Total 2012 | Total 2013 | Total 2014 |
| Golden Jubilee National Hospital | 291 | 329 | 375 | 428 | 494 |
| Great Ormond Street Hospital for Children | 300 | 319 | 244 | 361 | 350 |
| Imperial College Healthcare | 664 | 764 | 914 | 942 | 936 |
| Papworth Hospital, Cambridge | 591 | 625 | 716 | 777 | 809 |
| Royal Brompton and Harefield | 492 | 640 | 776 | 968 | 902 |
| Royal Free London | 581 | 774 | 997 | 980 | 1,049 |
| Sheffield Teaching Hospitals | 1,074 | 1,291 | 1,393 | 1,212 | 1,489 |
| Newcastle upon Tyne Hospitals | 294 | 320 | 318 | 422 | 455 |
| Total patients seen at specialized centres | 4,287 | 5,062 | 5,733 | 6,090 | 6,484 |