Comorbidity | GP managed cluster, younger n=979 | GP managed cluster, older n=695 | Psychiatrist managed cluster n=320 | GP physiotherapy cluster n=159 | GP exercise physiology cluster n=133 | P value |
Alcohol dependence % (95% CI) | 0.4 (0.0 to 0.8) | 0.4 (0 to 0.9) | 4 (2 to 7) | 3 (0 to 6) | 3 (0 to 6) | <0.0001 |
Allergies % (95% CI) | 3 (2 to 4) | 5 (4 to 7) | 8 (5 to 11) | 8 (3 to 12) | 10 (5 to 15) | <0.0001 |
Anticoagulants % (95% CI) | 1 (0 to 1) | 5 (4 to 7) | 6 (3 to 9) | 4 (1 to 8) | 6 (2 to 10) | <0.0001 |
Antiplatelet agents % (95% CI) | 1 (1 to 2) | 11 (9 to 14) | 6 (3 to 8) | 6 (2 to 10) | 13 (7 to 19) | <0.0001 |
Arrhythmia % (95% CI) | 0 | 2 (1 to 3) | 1 (0 to 1) | 0 | 2 (0 to 4) | <0.0001 |
Congestive heart failure % (95% CI) | 0.2 (0 to 0.5) | 2 (1 to 4) | 1 (0 to 1) | 0 | 5 (1 to 9) | <0.0001 |
Diabetes % (95% CI) | 4 (3 to 6) | 13 (10 to 15) | 8 (5 to 11) | 6 (2 to 10) | 10 (5 to 15) | <0.0001 |
Gastro-oesophageal reflux disorder % (95% CI) | 19 (17 to 22) | 37 (33 to 40) | 39 (34 to 44) | 30 (23 to 37) | 38 (29 to 46) | <0.0001 |
Glaucoma % (95% CI) | 0.2 (0 to 0.5) | 2 (1 to 3) | 1 (0 to 2) | 1 (0 to 2) | 2 (0 to 5) | 0.001 |
Gout % (95% CI) | 2 (1 to 3) | 9 (7 to 11) | 6 (3 to 8) | 4 (1 to 8) | 9 (4 to 14) | <0.0001 |
Hyperlipidaemia % (95% CI) | 12 (10 to 15) | 43 (40 to 47) | 23 (18 to 27) | 25 (18 to 32) | 41 (32 to 49) | <0.0001 |
Hypertension % (95% CI) | 9 (7 to 11) | 36 (32 to 40) | 18 (13 to 22) | 16 (10 to 21) | 23 (16 to 31) | <0.0001 |
Hypothyroidism % (95% CI) | 1 (0 to 2) | 3 (2 to 4) | 4 (2 to 6) | 1 (0 to 3) | 2 (0 to 4) | 0.013 |
Ischaemic heart disease-angina % (95% CI) | 0.2 (0 to 0.5) | 2 (1 to 4) | 1 (0 to 2) | 1 (0 to 3) | 2 (0 to 4) | 0.0003 |
Ischaemic heart disease-hypertension % (95% CI) | 6 (5 to 8) | 21 (18 to 24) | 11 (8 to 15) | 10 (5 to 15) | 17 (11 to 24) | <0.0001 |
Malignancies % (95% CI) | 1 (0 to 1) | 4 (2 to 5) | 2 (0 to 3) | 0 | 3 (0 to 6) | <0.0001 |
Migraine % (95% CI) | 2 (1 to 2) | 1 (0 to 1) | 2 (0 to 3) | 1 (0 to 3) | 0 | 0.280 |
Parkinsons % (95% CI) | 1 (0 to 1) | 1 (1 to 2) | 3 (1 to 5) | 1 (0 to 2) | 1 (0 to 2) | 0.007 |
Chronic airways disease % (95% CI) | 4 (3 to 6) | 10 (8 to 12) | 12 (9 to 16) | 14 (9 to 20) | 11 (6 to 17) | <0.0001 |
Steroid responsive diseases % (95% CI) | 3 (2 to 4) | 6 (4 to 8) | 8 (5 to 11) | 8 (3 to 12) | 8 (3 to 12) | <0.0001 |
GP, general practitioner.