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. 2018 Jan 14;8(1):e018404. doi: 10.1136/bmjopen-2017-018404

Table 2.

Long-term conditions in those with and without COPD

Control n=494 323
count (%)
Self-report COPD n=8317
count (%)
GOLD COPD
All n=2620
count (%)
Mild n=399
count (%)
Moderate n=1409
count (%)
Severe n=812
count (%)
Total comorbidities (excluding COPD)
 ≥4 19 959 (4.0) 1389 (16.7)** 331 (12.6)** 46 (11.5) 191 (13.5) 94 (11.6)
Total number of medications
 ≥1 356 406 (72.1) 7670 (92.2)** 2452 (93.6)** 352 (88.2) 1321 (93.8) 779 (95.9)
 ≥5 87 286 (17.7) 4312 (51.8)** 1349 (51.5)** 171 (42.9) 702 (49.8) 476 (58.6)
 ≥10 10 678 (2.2) 1269 (15.3)** 329 (12.6)** 31 (7.8) 172 (12.2) 126 (15.5)
Prevalence of comorbidities
Cardiovascular 152 891 (30.9) 3957 (47.6)** 1156 (44.1)** 142 (35.6) 611 (43.4) 403 (49.6)
 Hypertension 130 119 (26.3) 3206 (38.5)** 916 (35.0)** 112 (28.1) 483 (34.3) 321 (39.5)
 CHD 21 560 (4.4) 1171 (14.1)** 315 (12.0) ** 31 (7.6) 185 (13.1) 99 (12.2)
 Diabetes 24 737 (5.0) 766 (9.1)** 189 (7.2)** 16 (4.0) 109 (7.7) 64 (7.9)
 Stroke/TIA 8459 (1.7) 395 (4.7)** 98 (3.7)** 11 (2.8) 51 (3.6) 36 (4.4)
 AF 3552 (0.7) 99 (1.2)** 34 (1.3)** 3 (0.8) 16 (1.1) 15 (1.8)
 Heart failure 768 (0.2) 35 (0.4)** 6 (0.2) 0 1 (0.1) 5 (0.6)
Respiratory
 Asthma 55 245 (11.2) 3048 (36.6)** 984 (37.6)** 142 (35) 523 (37.1) 319 (39.3)
 Pulmonary embolus 4354 (0.9) 264 (3.2)** 65 (2.5)** 12 (3.0) 32 (2.2) 21 (2.5)
 Bronchiectasis 968 (0.2) 167 (2.0)** 39 (1.5)** 7 (1.8) 17 (1.2) 15 (1.8)
 Pulmonary fib 504 (0.1) 67 (0.8)** 18 (0.7)** 3 (0.8) 12 (0.9) 3 (0.4)
Cancer 37 686 (7.6) 937 (11.3) 272 (10.4) 47 (11.8) 146 (10.4) 79 (9.7)
 Lung 405 (0.1) 52 (0.6)** 15 (0.6)** 0 7 (0.5) 8 (1.0)
 Breast 11 311 (2.3) 210 (2.5)* 57 (2.2) 12 (3.0) 30 (2.1) 15 (1.8)
 Prostate 3588 (0.7) 105 (1.3)** 30 (1.1)* 5 (1.3) 12 (0.9) 13 (1.6)
 Gastrointestinal 2925 (0.6) 96 (1.2)** 34 (1.3)** 6 (1.5) 19 (1.3) 9 (1.1)
 Haem 6170 (1.2) 124 (1.5)* 34 (1.3) 5 (1.3) 17 (1.2) 12 (1.5)
Gastrointestinal 55 635 (11.5) 1737 (20.9)** 468 (17.9)** 76 (19.0) 254 (18.0) 138 (17.0)
 Dyspepsia 37 819 (7.7) 1257 (15.1)** 348 (13.3)** 53 (13.3) 189 (13.4) 106 (13.1)
 Diverticular disease 5181 (1.0) 224 (2.7)** 54 (2.1)** 6 (1.5) 32 (2.3) 16 (2.0)
 IBS 11 203 (2.3) 291 (3.5)** 64 (2.4)** 17 (4.3) 35 (2.5) 12 (1.5)
 CLD 935 (0.2) 36 (0.4)** 10 (0.4)* 2 (0.5) 10 (0.7) 3 (0.4)
Mental health 35 822 (7.2) 1127 (13.6)** 304 (11.6)** 54 (13.5) 162 (11.5) 88 (10.8)
 Depression 27 578 (5.6) 901 (10.8)** 233 (8.9)** 42 (10.5) 128 (9.1) 63 (7.8)
 Anxiety 8781 (1.8) 245 (2.9)** 69 (2.6)** 13 (3.3) 36 (2.6) 20 (2.5)
 Schizophrenia / bipolar 1918 (0.4) 79 (0.9)** 27 (1.0)** 3 (0.7) 15 (1.1) 9 (1.1)
Other
 Other painful 81 733 (16.5) 2259 (27.2)** 655 (25.0)** 115 (28.8) 367 (26.0) 173 (21.3)
 Osteoporosis 7700 (1.6) 342 (4.1)** 128 (4.9) ** 21 (5.3) 67 (4.8) 40 (4.9)
 Connective tissue disease 10 642 (2.2) 391 (4.7)** 112 (4.3)** 19 (4.8) 72 (5.1) 21 (2.6)

Compared with control (χ2): *P<0.05; **P<0.001.

AF, atrial fibrillation; CHD, coronary heart disease; CLD, chronic liver disease; COPD, chronic obstructive pulmonary disease; GOLD, Global Initiative for Chronic Obstructive Lung Disease; IBS, irritable bowel syndrome; TIA, transient ischaemic attack.