Table 1 Patients' characteristics.
| Gender | |||
|---|---|---|---|
| Male (n = 730) % (95% CI) | Female (n = 541) % (95% CI) | Total (n = 1271) % (95% CI) | |
| Age (years), median (25p, 75p) | 74 (66, 80) | 76 (67, 83) | 75 (67, 81) |
| Geographical area | |||
| Northwest | 29 (18 to 43) | 33 (22 to 47) | 31 (20 to 44) |
| Northeast | 21 (12 to 32) | 22 (16 to 30) | 21 (14 to 30) |
| Central | 24 (16 to 36) | 21 (15 to 29) | 23 (16 to 31) |
| South | 26 (17 to 38) | 24 (16 to 33) | 25 (17 to 35) |
| Total | 100 | 100 | 100 |
| Marital status | |||
| Unmarried | 8 (7 to 9) | 11 (8 to 13) | 9 (8 to 11) |
| Married | 75 (70 to 79) | 40 (36 to 44) | 60 (56 to 63) |
| Widowed | 15 (12 to 19) | 48 (44 to 52) | 29 (26 to 32) |
| Divorced | 1 (1 to 3) | 1 (1 to 2) | 1 (1 to 2) |
| MI | 1 (0 to 3) | 0 (0 to 2) | 1 (0 to 2) |
| Total | 100 | 100 | 100 |
| Educational level (years) | |||
| Degree | 3 (2 to 6) | 2 (1 to 4) | 3 (2 to 4) |
| >13 | 14 (11 to 18) | 12 (8 to 17) | 13 (11 to 17) |
| 8–12 | 19 (16 to 22) | 15 (11 to 20) | 17 (15 to 20) |
| 0–7 | 64 (59 to 68) | 71 (63 to 78) | 67 (61 to 72) |
| Total | 100 | 100 | 100 |
| Employment at the disease onset | |||
| Employed | 13 (10 to 16) | 9 (7 to 12) | 11 (9 to 13) |
| Unemployed | 2 (1 to 4) | 2 (1 to 5) | 2 (1 to 4) |
| Retired | 84 (81 to 87) | 75 (68 to 81) | 80 (76 to 84) |
| Housewife | 0 | 13 (9 to 18) | 5 (4 to 8) |
| MI | 1 (0–2) | 2 (1–3) | 1 (1 to 2) |
| Total | 100 | 100 | 100 |
| Last employment | |||
| High non‐manual | 9 (6 to 11) | 8 (6 to 10) | 8 (7 to 10) |
| White collar | 15 (11 to 19) | 7 (5 to 11) | 12 (9 to 14) |
| Trader | 8 (6 to 11) | 13 (10 to 16) | 10 (8 to 12) |
| Blue collar | 56 (52 to 60) | 21 (17 to 27) | 41 (38 to 44) |
| Other | 6 (4 to 10) | 4 (2 to 7) | 5 (3 to 8) |
| Housewife | 0 | 41 (34 to 47) | 17 (14 to 21) |
| MI | 7 (3–15) | 7 (4 to 11) | 7 (3 to 12) |
| Total | 100 | 100 | 100 |
| Time of non‐self‐sufficiency for daily life (days) | |||
| 0–1 | 14 (11 to 17) | 7 (5 to 10) | 11 (9 to 13) |
| 2–7 | 7 (5 to 10) | 5 (4 to 8) | 6 (5 to 8) |
| 8–30 | 29 (26 to 33) | 26 (22 to 30) | 28 (25 to 31) |
| 31–90 | 35 (31 to 39) | 41 (35 to 47) | 38 (33 to 42) |
| >90 | 13 (11 to 15) | 19 (15 to 22) | 15 (13 to 18) |
| MI | 2 (1 to 5) | 2 (1 to 5) | 2 (1 to 5) |
| Total | 100 | 100 | 100 |
| Diagnosis (ICD9–CM code) | |||
| 140–149 | 3 (2 to 5) | 1 (0 to 2) | 2 (2 to 3) |
| 150–159 | 34 (31 to 39) | 38 (34 to 43) | 36 (34 to 39) |
| 160–165 | 31 (28 to 35) | 9 (6 to 12) | 22 (19 to 25) |
| 170–175 | 1 (1 to 3) | 24 (20 to 28) | 11 (9 to 13) |
| 179–189 | 16 (14 to 19) | 13 (10 to 15) | 15 (13 to 17) |
| 190–199 | 5 (3 to 6) | 5 (3 to 7) | 5 (4 to 6) |
| 200–208 | 6 (4 to 9) | 9 (6 to 12) | 7 (6 to 10) |
| 239 | 3 (1 to 5) | 2 (1 to 4) | 2 (2 to 4) |
| Total | 100 | 100 | 100 |
MI, missing information; p, percentile.