Table 2 Prevalence of long-term conditions using primary care, hospital inpatient, and linked primary care to hospital inpatient data
ICD-10 chapter | Long-term condition | Prevalence, no. (%) | Difference between PC and HI, number (% of total cohort) | ||
|---|---|---|---|---|---|
Primary care data | Hospital inpatient data | Linked PC-HI data | |||
I—Certain infectious and parasitic diseases | Tuberculosis | 876 (0.04) | 277 (0.01) | 1030 (0.40) | 599 (0.03) |
II—Neoplasms | Cancer | 41,905 (1.79) | 40,284 (1.72) | 53,315 (2.28) | 1621 (0.07) |
III—Diseases of blood/blood-forming organs | Anaemia | 30,040 (1.28) | 12,833 (0.55) | 39,535 (1.69) | 17,207 (0.74) |
IV—Endocrine, nutritional, and metabolic diseases | Cystic fibrosis | 1002 (0.04) | 468 (0.02) | 966 (0.04) | 534 (0.02) |
Thyroid disorders | 121,217 (5.18) | 64,041 (2.74) | 127,776 (5.46) | 57,176 (2.44) | |
Addison’s disease | 1075 (0.05) | 1371 (0.06) | 1689 (0.07) |  − 296 (− 0.01) | |
Diabetes | 149,527 (6.39) | 103,211 (4.41) | 159,495 (6.82) | 46,316 (1.98) | |
V—Mental and behavioural disorders | Depression | 305,915 (13.07)* | 21,540 (0.92) | 311,518 (13.31)* | 284,375 (12.15) |
Eating disorder | 11,830 (0.51) | 1789 (0.08) | 12,399 (0.53) | 10,041 (0.43) | |
Anxiety | 92,622 (3.96)* | 18,254 (0.78) | 106,024 (4.53)* | 74,368 (3.18) | |
PTSD | 12,008 (0.51) | 2600 (0.11) | 13,340 (0.57) | 9408 (0.40) | |
Autism | 14,283 (0.61) | 4907 (0.21) | 15,635 (0.67) | 9376 (0.40) | |
Alcohol and substance misuse | 81,830 (3.50) | 37,252 (1.59) | 96,610 (4.13) | 44,578 (1.91) | |
Bipolar affective disorder | 13,437 (0.57)* | 6548 (0.28) | 15,533 (0.66)* | 6889 (0.29) | |
Dementia | 15,817 (0.68) | 8689 (0.37) | 18,171 (0.78) | 7128 (0.30) | |
Schizophrenia | 14,124 (0.60) | 9195 (0.39) | 16,792 (0.72) | 4929 (0.21) | |
VI—Diseases of the nervous system | Peripheral neuropathy | 48,462 (2.07) | 15,280 (0.65) | 57,226 (2.45) | 33,182 (1.42) |
Parkinson’s disease | 5047 (0.22) | 3735 (0.26) | 5983 (0.26) | 1312 (0.06) | |
Multiple sclerosis | 4718 (0.20) | 3520 (0.15) | 5136 (0.22) | 1198 (0.05) | |
Epilepsy | 20,789 (0.89)* | 25,577 (1.09) | 22,348 (0.96)* |  − 7684 (− 0.33) | |
Paralysis | 1811 (0.08) | 2586 (0.11) | 3382 (0.14) |  − 775 (− 0.03) | |
VII—Diseases of the eye and adnexa | Visual impairment | 18,450 (0.79) | 5288 (0.23) | 20,990 (0.90) | 13,162 (0.56) |
VIII—Diseases of the ear and mastoid process | Hearing impairment | 207,245 (8.86) | 22,865 (0.98) | 216,682 (9.26) | 184,380 (7.88) |
Meniere’s disease | 22,661 (0.97) | 2600 (0.11) | 23,461 (1.00) | 20,061 (0.86) | |
IX—Diseases of the circulatory system | Venous thromboembolism | 51,509 (2.20) | 15,657 (0.67) | 54,907 (2.35) | 35,852 (1.53) |
Peripheral artery disease | 30,863 (1.32) | 12,446 (0.53) | 35,303 (1.51) | 18,417 (0.79) | |
Stroke and TIA | 62,292 (2.66) | 37,853 (1.62) | 69,889 (2.99) | 24,439 (1.04) | |
Hypertension | 402,322 (17.19) | 290,995 (12.44) | 456,687 (19.52) | 111,327 (4.76) | |
Heart failure | 31,295 (1.34) | 30,499 (1.30) | 45,508 (1.94) | 796 (0.03) | |
Coronary artery disease | 101,163 (4.32) | 106,741 (4.56) | 127,650 (5.46) |  − 5578 (− 0.24) | |
Heart valve disorders | 29,263 (1.25) | 31,152 (1.33) | 45,931 (1.96) |  − 1889 (− 0.08) | |
Arrythmia | 68,841 (2.94) | 71,366 (3.05) | 88,746 (3.79) |  − 2525 (− 0.11) | |
Aneurysm | 2550 (0.11) | 5048 (0.22) | 6143 (0.26) |  − 2498 (− 0.11) | |
X—Diseases of the respiratory system | Bronchiectasis | 9040 (0.39) | 5567 (0.24) | 10,930 (0.47) | 3473 (0.15) |
COPD | 64,083 (2.74) | 54,815 (2.34) | 84,075 (3.59) | 9268 (0.40) | |
Asthma | 203,049 (8.68)* | 181,470 (7.76) | 210,633 (9.00)* | 21,579 (0.92) | |
XIII—Diseases of the musculoskeletal system | Gout | 83,002 (3.55) | 15,692 (0.67) | 85,330 (3.65) | 67,310 (2.88) |
Connective tissue disorders | 56,345 (2.41) | 30,870 (1.32) | 64,571 (2.76) | 25,475 (1.09) | |
Osteoarthritis | 243,414 (10.40) | 142,901 (6.11) | 293,678 (12.55) | 100,513 (4.30) | |
Osteoporosis | 55,044 (2.35) | 63,705 (2.72) | 98,677 (4.22) |  − 8661 (− 0.37) | |
XI—Diseases of the digestive system | Peptic ulcer | 33,788 (1.44) | 23,095 (0.99) | 45,293 (1.94) | 10,693 (0.46) |
Chronic liver disease | 13,804 (0.59) | 9881 (0.42) | 17,903 (0.77) | 3923 (0.17) | |
Inflammatory bowel disease | 20,016 (0.86) | 18,187 (0.78) | 24,037 (1.03) | 1829 (0.08) | |
Chronic pancreatitis | 2038 (0.09) | 2425 (0.10) | 3405 (0.15) |  − 387 (− 0.02) | |
XIV—Diseases of the genitourinary system | Chronic kidney disease | 110,493 (4.72) | 54,677 (2.34) | 131,348 (5.61) | 55,816 (2.39) |
Endometriosis | 12,210 (0.52) | 13,305 (0.57) | 18,080 (0.77) |  − 1095 (− 0.05) | |
XVII—Congenital malformations | Congenital disease | 7282 (0.31) | 3502 (0.15) | 8176 (0.35) | 3780 (0.16) |