Group A (n = 2466) | Group B (n = 2315) | p | All (n = 4781) | ||
---|---|---|---|---|---|
Age median, [IQR] | 65 [53–74] | 65 [53–74] | 0.99c | 65 [53–74] | |
Male sex (%) | 57% | 57% | 0.87b | 57% | |
APACHE II score median, [IQR] | 15 [11–19] | 14 [11–19] | 0.08a | 15 [11–19] | |
ICU length of stay days median [IQR] | 3 [2–6] | 3 [2–6] | 0.33a | 3 [2–6] | |
Hospital length of stay days median [IQR] | 15 [9–26] | 15 [8–25] | 0.23a | 15 [8–25] | |
Reason for ICU admission n (%) | |||||
Respiratory tract infection | 237 (10) | 192 (8) | 0.16b | 429 (9) | |
Major vascular procedure | 185 (8) | 171 (7) | 0.93b | 356 (7) | |
Large bowel tumour | 148 (6) | 173 (7) | 0.07b | 321 (7) | |
Acute renal failure | 109 (4) | 90 (4) | 0.42b | 199 (4) | |
Chronic obstructive pulmonary disease | 79 (3) | 76 (3) | 0.95b | 155 (3) | |
Bowel perforation | 66 (3) | 47 (2) | 0.18b | 113 (2) | |
Septicaemia/septic shock | 60 (2) | 61 (3) | 0.73b | 121 (3) | |
Oesophageal neoplasm | 56 (2) | 70 (3) | 0.14b | 126 (3) | |
Status epilepticus | 52 (2) | 44 (2) | 0.69b | 96 (2) | |
Self-poisoning | 44 (2) | 53 (2) | 0.27b | 97 (2) | |
Not recorded | 77 (3) | 64 (3) | 0.53b | 141 (3) | |
Other | 1353 (55) | 1274 (55) | 2627 (55) | ||
Self-reported demographics n (%) | |||||
Current address | Usual address | 2305 (93) | 2165 (94) | 4470 (93) | |
Family | 36 (1) | 38 (2) | 74 (2) | ||
Rehabilitation | 19 (1) | 11 (0) | 30 (1) | ||
Other | 36 (1) | 38 (2) | 74 (2) | ||
Not usual (unspecified) | 13 (1) | 10 (0) | 23 (0) | ||
Missing | 57 (2) | 53 (2) | 0.79b | 110 (2) | |
Higher education | Yes | 985 (40) | 983 (42) | 1968 (41) | |
No | 1235 (50) | 1138 (49) | 2373 (50) | ||
Missing | 246 (10) | 194 (8) | 0.07b | 440 (9) | |
University degree | Yes | 580 (24) | 600 (26) | 1180 (25) | |
No | 1700 (69) | 1579 (68) | 3279 (69) | ||
Missing | 186 (8) | 136 (6) | 0.02b | 322 (7) | |
Current employment status | Full time | 245 (10) | 213 (9) | 458 (10) | |
Part time | 108 (4) | 129 (6) | 237 (5) | ||
Seeking | 27 (1) | 35 (2) | 62 (1) | ||
Retired | 1353 (55) | 1250 (54) | 2603 (54) | ||
Sick | 380 (15) | 376 (16) | 756 (16) | ||
Housework | 120 (5) | 110 (5) | 230 (5) | ||
Student | 24 (1) | 17 (1) | 41 (1) | ||
Other | 112 (5) | 97 (4) | 209 (4) | ||
Missing | 97 (4) | 88 (4) | 0.47b | 185 (4) | |
Prior employment status | Full time | 437 (18) | 388 (17) | 825 (17) | |
Part time | 189 (8) | 190 (8) | 379 (8) | ||
Seeking | 38 (2) | 24 (1) | 62 (1) | ||
Retired | 1233 (50) | 1170 (51) | 2403 (50) | ||
Sick | 168 (7) | 169 (7) | 337 (7) | ||
Housework | 132 (5) | 105 (5) | 237 (5) | ||
Student | 27 (1) | 16 (1) | 43 (1) | ||
Other | 75 (3) | 87 (4) | 162 (3) | ||
Missing | 167 (7) | 166 (7) | 0.28b | 333 (7) | |
Carer now | Yes | 150 (6) | 152 (7) | 302 (6) | |
No | 2207 (89) | 2052 (89) | 4259 (89) | ||
Missing | 109 (4) | 111 (5) | 0.64b | 220 (5) | |
Carer prior | Yes | 159 (6) | 170 (7) | 329 (7) | |
No | 1844 (75) | 1680 (73) | 3524 (74) | ||
Missing | 463 (19) | 465 (20) | 0.2b | 928 (19) | |
Assistance | Answered | 246 (10) | 288 (12) | 534 (11) | |
Unable | 68 (3) | 42 (2) | 110 (2) | ||
Unspecified | 21 (1) | 26 (1) | 47 (1) | ||
No | 2050 (83) | 1893 (82) | 3943 (82) | ||
Missing | 81 (3) | 66 (3) | 0.01b | 147 (3) | |
Mental problems now | Yes | 334 (14) | 298 (13) | 632 (13) | |
No | 2034 (82) | 1912 (83) | 3946 (83) | ||
Missing | 98 (4) | 105 (5) | 0.52b | 203 (4) | |
Mental problems prior | Yes | 354 (14) | 331 (14) | 685 (14) | |
No | 1730 (70) | 1636 (71) | 3366 (70) | ||
Missing | 382 (15) | 348 (15) | 0.9b | 730 (15) |