Table 1.
CPRD Aurum sample (veteran and non-veterans) descriptives (N = 367,057)
| Non-veterans 244,573 |
Veterans 122,484 |
||||
|---|---|---|---|---|---|
| N | % or Mean (SD) or Median [IQR] | N | % or Mean (SD) or Median [IQR] |
||
| Gender* | |||||
| Men | 196,472 | 80.33 | 98,404 | 80.34 | |
| Women | 48,101 | 19.67 | 24,080 | 19.66 | |
| Age at index (years)* | 52.55 (20.99) | 52.54 (20.99) | |||
| 18–25 | 26,352 | 10.77 | 13,200 | 10.78 | |
| 26–35 | 39,470 | 16.14 | 19,772 | 16.14 | |
| 36–45 | 35,359 | 14.46 | 17,713 | 14.46 | |
| 46–55 | 36,918 | 15.09 | 18,492 | 15.10 | |
| 56–65 | 33,964 | 13.89 | 17,008 | 13.89 | |
| 66–75 | 26,950 | 11.02 | 13,494 | 11.02 | |
| 76–85 | 29,122 | 11.91 | 14,579 | 11.90 | |
| 86–95 | 15,354 | 6.28 | 7,684 | 6.27 | |
| 96+ | 1,084 | 0.44 | 542 | 0.44 | |
| Ethnicity | |||||
| Asian | 11,839 | 5.33 | 3,096 | 2.61 | |
| Black | 4,379 | 1.97 | 1,853 | 1.56 | |
| Mixed | 3,089 | 1.39 | 957 | 0.81 | |
| Other | 19,256 | 8.68 | 8,414 | 7.10 | |
| White | 183,371 | 82.62 | 104,166 | 87.91 | |
| Missing | 22,639 | 9.26 | 3,998 | 3.26 | |
| Year of index* | |||||
| 1987–1990 | 1,546 | 0.63 | 776 | 0.63 | |
| 1991–2000 | 9,671 | 3.95 | 4,843 | 3.95 | |
| 2001–2010 | 26,975 | 11.03 | 13,499 | 11.02 | |
| 2011–2020 | 139,872 | 57.19 | 70,019 | 57.17 | |
| 2021–2024 | 66,509 | 27.19 | 33,347 | 27.23 | |
| Follow-up time (years)† | 3.00 [1.16 to 5.73] | 2.90 [1.24 to 5.57] | |||
| < 1 year | 53,048 | 21.69 | 24,288 | 19.83 | |
| 1 to 2 years | 69,230 | 28.31 | 38,407 | 31.36 | |
| 3 to 4 years | 46,358 | 18.95 | 23,828 | 19.45 | |
| 5 to 6 years | 35,124 | 14.36 | 16,523 | 13.49 | |
| > 7 years | 40,813 | 16.69 | 19,438 | 15.87 | |
| Primary care consultations | 6.50 [4.00 to 11.00] | 10.11 [6.00 to 16.71] | |||
| 1 to 9 | 171,866 | 70.82 | 60,087 | 49.11 | |
| 10 to 19 | 53,517 | 22.05 | 40,872 | 33.41 | |
| 20 to 29 | 12,584 | 5.19 | 14,447 | 11.81 | |
| ≥ 30 | 4,707 | 1.94 | 6,938 | 5.67 | |
| Missing | 1,899 | 0.78 | 140 | 0.11 | |
| Mortality | |||||
| Deceased | 17,175 | 7.02 | 12,816 | 10.46 | |
| Year of death | |||||
| 1990–2000 | 768 | 4.47 | 61 | 0.48 | |
| 2001–2010 | 3,063 | 17.83 | 939 | 7.33 | |
| 2011–2020 | 8,781 | 51.13 | 5,687 | 44.37 | |
| 2021–2024 | 4,563 | 26.57 | 6,129 | 47.82 | |
| Service branch | |||||
| Royal Navy (including Royal Marines) | - | - | 5,723 | 14.76 | |
| British Army | - | - | 28,015 | 73.23 | |
| Royal Air Force | - | - | 4,170 | 10.75 | |
| Multiple mentioned | - | - | 876 | 2.26 | |
| Missing | - | - | 83,700 | 68.34 | |
| National Service Era | |||||
| Post-National Service+ | - | - | 103,297 | 84.34 | |
| Eligible during National Service | - | - | 19,187 | 15.66 | |
Category percentages are based on complete cases; missing percentages are based on the full sampleSD: Standard deviation; IQR: Interquartile Range*Matching variable†Start date calculated as maximum value between registration date, index date, and protocol start date (01 January 1987) and end date calculated as minimum value between registration end date, last CPRD collection date for the practice, date of death, or protocol end date (30 September 2024)+Defined as Post-National Service if veterans were under 25 in 1963, when the last National Service person was discharged