Table 3.
Baseline characteristics of patients with prurigo nodularis at index diagnosis (2008–2018) with comparative data from all patients registered in the Clinical Practice Research Datalink (CPRD) in 2018
| Characteristic | Prurigo nodularis | All patients registered in CPRD in 2018 |
|---|---|---|
| N = 2416 | N = 8 378 777 | |
| Mean age, years (SD) | 61·1 (18·4) | 40·1 (23·2) |
| Sex | ||
| Male | 982 (40·3) | 4 186 951 (50·0) |
| Female | 1434 (58·9) | 4 191 662 (50·0) |
| Prior recorded diagnoses | ||
| Atopic dermatitis | 1270 (52·2) | |
| Depression | 1001 (41·1) | |
| Anxiety | 861 (35·4) | |
| HIV | 6 (0·2) | |
| Coronary heart disease | 516 (21·2) | |
| Chronic kidney disease | 428 (17·6) | |
| Type 2 diabetes | 481 (19·8) | |
| Region | ||
| East Midlands | 40 (1·6) | 235 825 (2·8) |
| East of England | 122 (5·0) | 467 611 (5·6) |
| London | 331 (13·6) | 1 427 440 (17·0) |
| North East | 99 (4·1) | 358 302 (4·3) |
| North West | 544 (22·3) | 1 362 316 (16·3) |
| South Central | 212 (8·7) | 1 012 406 (12·1) |
| South East Coast | 142 (5·8) | 629 149 (7·5) |
| South West | 310 (12·7) | 1 095 822 (13·1) |
| West Midlands | 505 (20·7) | 1 450 855 (17·3) |
| Yorkshire and the Humber | 111 (4·6) | 335 480 (4·0) |
| Ethnicity | ||
| Bangladeshi | 26 (1·1) | |
| Black African | 50 (2·1) | |
| Black Caribbean | 45 (1·9) | |
| Black other | 20 (0·8) | |
| Chinese | 12 (0·5) | |
| Indian | 81 (3·4) | |
| Mixed | 28 (1·2) | |
| Other Asian | 39 (1·6) | |
| Other | 18 (0·7) | |
| Pakistani | 65 (2·7) | |
| Unknown | 10 (0·4) | |
| White | 2000 (82·8) | |
| Missing data | 22 (0·9) | |
Data are presented as n (%) unless otherwise stated.