Table 3.
Age and sex specific case fatality rates (95% confidence intervals) after hospital admission for fractured neck of femur, 1968-83 and 1984-98
|
Case fatality rates
|
|||||||
|---|---|---|---|---|---|---|---|
|
No of admissions
|
Within 30 days
|
Within 90 days
|
Within 365 days
|
||||
| Age group | Deaths | Rate (95% CI) | Deaths | Rate (95% CI) | Deaths | Rate (95% CI) | |
| 1968-83 | 11 883 | 1604 | 13.5 (12.9 to 14.1) | 2857 | 24.0 (23.3 to 24.8) | 4 306 | 36.2 (35.4 to 37.1) |
| Men: | |||||||
| 65-69 | 279 | 20 | 7.2 (4.1 to 10.2) | 33 | 11.8 (8.0 to 15.6) | 57 | 20.4 (15.7 to 25.2) |
| 70-74 | 402 | 37 | 9.2 (6.4 to 12.0) | 61 | 15.2 (11.7 to 18.7) | 103 | 25.6 (21.4 to 29.9) |
| 75-79 | 429 | 71 | 16.6 (13.0 to 20.1) | 105 | 24.5 (20.4 to 28.5) | 162 | 37.8 (33.2 to 42.3) |
| 80-84 | 444 | 80 | 18.0 (14.4 to 21.6) | 152 | 34.2 (29.8 to 38.6) | 234 | 52.7 (48.1 to 57.3) |
| 85-89 | 314 | 85 | 27.1 (22.2 to 32.0) | 142 | 45.2 (39.7 to 50.7) | 205 | 65.3 (60.0 to 70.6) |
| ≥90 | 187 | 63 | 33.7 (26.9 to 40.5) | 102 | 54.5 (47.4 to 61.7) | 130 | 69.5 (62.9 to 76.1) |
| Total | 2 055 | 356 | 17.3 (15.7 to 19.0) | 595 | 29.0 (27.0 to 30.9) | 891 | 43.4 (41.2 to 45.5) |
| Women: | |||||||
| 65-69 | 729 | 20 | 2.7 (1.6 to 3.9) | 44 | 6.0 (4.3 to 7.8) | 100 | 13.7 (11.2 to 16.2) |
| 70-74 | 1 256 | 87 | 6.9 (5.5 to 8.3) | 147 | 11.7 (9.9 to 13.5) | 248 | 19.7 (17.5 to 21.9) |
| 75-79 | 1 915 | 162 | 8.5 (7.2 to 9.7) | 295 | 15.4 (13.8 to 17.0) | 489 | 25.5 (23.6 to 27.5) |
| 80-84 | 2 489 | 336 | 13.5 (12.2 to 14.8) | 630 | 25.3 (23.6 to 27.0) | 921 | 37.0 (35.1 to 38.9) |
| 85-89 | 2 102 | 347 | 16.5 (14.9 to 18.1) | 627 | 29.8 (27.9 to 31.8) | 906 | 43.1 (41.0 to 45.2) |
| ≥90 | 1 337 | 296 | 22.1 (19.9 to 24.4) | 519 | 38.8 (36.2 to 41.4) | 751 | 56.2 (53.5 to 58.8) |
| Total | 9 828 | 1248 | 12.7 (12.0 to 13.4) | 2262 | 23.0 (22.2 to 23.8) | 3 415 | 34.7 (33.8 to 35.7) |
| 1984-98 | 20 704 | 2029 | 9.8 (9.4 to 10.2) | 3791 | 18.3 (17.8 to 18.8) | 6 362 | 30.7 (30.1 to 31.4) |
| Men: | |||||||
| 65-69 | 362 | 16 | 4.4 (2.3 to 6.5) | 32 | 8.8 (5.9 to 11.8) | 70 | 19.3 (15.3 to 23.4) |
| 70-74 | 541 | 41 | 7.6 (5.3 to 9.8) | 81 | 15.0 (12.0 to 18.0) | 148 | 27.4 (23.6 to 31.1) |
| 75-79 | 821 | 93 | 11.3 (9.2 to 13.5) | 153 | 18.6 (16.0 to 21.3) | 279 | 34.0 (30.7 to 37.2) |
| 80-84 | 1 000 | 160 | 16.0 (13.7 to 18.3) | 280 | 28.0 (25.2 to 30.8) | 432 | 43.2 (40.1 to 46.3) |
| 85-89 | 751 | 140 | 18.6 (15.9 to 21.4) | 260 | 34.6 (31.2 to 38.0) | 393 | 52.3 (48.8 to 55.9) |
| ≥90 | 370 | 116 | 31.4 (26.6 to 36.1) | 193 | 52.2 (47.1 to 57.3) | 249 | 67.3 (62.5 to 72.1) |
| Total | 3 845 | 566 | 14.7 (13.6 to 15.8) | 999 | 26.0 (24.6 to 27.4) | 1 571 | 40.9 (39.3 to 42.4) |
| Women: | |||||||
| 65-69 | 903 | 20 | 2.2 (1.3 to 3.2) | 49 | 5.4 (3.9 to 6.9) | 107 | 11.8 (9.7 to 14.0) |
| 70-74 | 1 718 | 78 | 4.5 (3.6 to 5.5) | 148 | 8.6 (7.3 to 9.9) | 266 | 15.5 (13.8 to 17.2) |
| 75-79 | 2 918 | 160 | 5.5 (4.7 to 6.3) | 301 | 10.3 (9.2 to 11.4) | 570 | 19.5 (18.1 to 21.0) |
| 80-84 | 4 383 | 323 | 7.4 (6.6 to 8.1) | 626 | 14.3 (13.2 to 15.3) | 1 153 | 26.3 (25.0 to 27.6) |
| 85-89 | 4 121 | 434 | 10.5 (9.6 to 11.5) | 830 | 20.1 (18.9 to 21.4) | 1 407 | 34.1 (32.7 to 35.6) |
| ≥90 | 2 816 | 448 | 15.9 (14.6 to 17.3) | 838 | 29.8 (28.1 to 31.4) | 1 288 | 45.7 (43.9 to 47.6) |
| Total | 16 859 | 1463 | 8.7 (8.3 to 9.1) | 2792 | 16.6 (16.0 to 17.1) | 4 791 | 28.4 (27.7 to 29.1) |
| Total, 1968-98 | 32 587† | 3633 | 11.1 (10.8 to 11.5) | 6648 | 20.4 (20.0 to 20.8) | 10 668 | 32.7 (32.2 to 33.2) |
†
Sex of 3 patients was not known.