Outcome | Â | Total | General anaesthetic | Spinal anaesthetic | |||
---|---|---|---|---|---|---|---|
 |  | Number | % | Number | % | Number | % |
Total | Â | 124,960 | 100 | 68,851 | 55 | 56,109 | 45 |
Delirium assessment | 0 - Delirium or cognitive impairment unlikely | 55,410 | 44 | 28,888 | 42 | 26,522 | 47 |
1-3 Possible cognitive impairment | 27,232 | 22 | 15,055 | 22 | 12,177 | 22 | |
4+ Possible delirium or cognitive impairment | 32,244 | 26 | 19,036 | 28 | 13,208 | 24 | |
Missing | 10,074 | 8 | 5872 | 9 | 4202 | 7 | |
Delirium alertness | 0 | 100,452 | 80 | 54,490 | 79 | 45,962 | 82 |
4 | 7029 | 6 | 4294 | 6 | 2735 | 5 | |
Missing | 17,479 | 14 | 10,067 | 15 | 7412 | 13 | |
Delirium AMT4 | 0 | 62,233 | 50 | 32,351 | 47 | 29,882 | 53 |
1 | 13,188 | 11 | 7110 | 10 | 6078 | 11 | |
2 | 32,119 | 26 | 19,363 | 28 | 12,756 | 23 | |
Missing | 17,420 | 14 | 10,027 | 15 | 7393 | 13 | |
Delirium attention | 0 | 61,788 | 49 | 32,290 | 47 | 29,498 | 53 |
1 | 21,361 | 17 | 11,978 | 17 | 9383 | 17 | |
2 | 24,386 | 20 | 14,558 | 21 | 9828 | 18 | |
Missing | 17,425 | 14 | 10,025 | 15 | 7400 | 13 | |
Delirium acute change | 0 | 95,723 | 77 | 51,978 | 75 | 43,723 | 78 |
4 | 4960 | 4 | 6795 | 10 | 4960 | 9 | |
Missing | 7426 | 6 | 10,078 | 15 | 7426 | 13 | |
Mobilised on day of or day following surgery | No | 24,752 | 20 | 14,071 | 20 | 10,681 | 19 |
Yes | 99,772 | 80 | 54,502 | 79 | 45,270 | 81 | |
Missing | 436 | <1 | 278 | <1 | 158 | <1 | |
Length of hospital stay (days)a |  | Median=15 IQR=9–25 | Median=15 IQR=9–26 | Median=15 IQR=9–24 | |||
Returned to admission source | Yes | 81,060 | 65 | 44,128 | 64 | 36,932 | 66 |
No | 42,463 | 34 | 23,918 | 35 | 18,545 | 33 | |
Missing | 1437 | 1 | 805 | 1 | 632 | 1 | |
Life status at 30 days | Alive | 117,998 | 94 | 64,824 | 94 | 53,174 | 95 |
Dead | 6962 | 6 | 4027 | 6 | 2935 | 5 |