| Patients in analysis (1327) | Excluding missing values |
---|---|---|
Age groups: | Â | Â |
   < 35 | 6 (0.5%) | 6 (0.5%) |
   35–44 | 46 (3.5%) | 46 (3.5%) |
   45–54 | 154 (11.6%) | 154 (11.9%) |
   55–64 | 373 (28.1%) | 373 (28.7%) |
   65–74 | 456 (34.4%) | 456 (35.1%) |
   75–84 | 245 (18.5%) | 245 (18.9%) |
   85+ | 18 (1.4%) | 18 (1.4%) |
   Missing | 29 (2.2%) |  |
Age (mean, SD) | 65.7, 10.9 | Â |
Sex: | Â | Â |
   Male | 559 (42.1%) | 559 (44.1%) |
   Female | 708 (53.4%) | 708 (55.9%) |
   Missing | 60 (4.5%) |  |
BMI groups: | Â | Â |
   Underweight (< 18.5) | 2 (0.2%) | 2 (0.2%) |
   Normal (18.5 to < 25) | 359 (27.1%) | 359 (29.3%) |
   Overweight (25 to < 30) | 568 (42.8%) | 568 (46.4%) |
   Obese (30 to < 40) | 281 (21.2%) | 281 (22.9%) |
   Morbidly Obese (40+) | 15 (1.1%) | 15 (1.2%) |
   Missing | 102 (7.7%) |  |
BMI (mean, SD) | 27.5, 4.4 | Â |
Employment status: | Â | Â |
   Employed | 325 (24.5%) | 325 (25.1%) |
   Retired | 740 (55.8%) | 740 (57.2%) |
   Unemployed | 31 (2.3%) | 31 (2.4%) |
   Retired Early | 105 (7.9%) | 105 (8.1%) |
   Voluntary work | 5 (0.4%) | 5 (0.4%) |
   Housework | 88 (6.6%) | 88 (6.8%) |
   Missing | 33 (2.5%) |  |
Qualifications after leaving school: | Â | Â |
   Postgraduate degree | 52 (3.9%) | 52 (4.5%) |
   University degree | 149 (11.2%) | 149 (12.9%) |
   College diploma, or equivalent | 371 (28.0%) | 371 (32.2%) |
   None | 581 (43.8%) | 581 (50.4%) |
   Missing | 174 (13.1%) |  |
ASA status: | Â | Â |
   1 | 209 (15.8%) | 209 (17.8%) |
   2 | 719 (54.2%) | 719 (61.2%) |
   3 | 237 (17.9%) | 237 (20.2%) |
   4 | 10 (0.8%) | 10 (0.9%) |
   Missing | 152 (11.5%) |  |
Caring for someone else: | Â | Â |
   Yes | 234 (17.6%) | 234 (18.1%) |
   No | 1061 (80.0%) | 1061 (81.9%) |
   Missing | 32 (2.4%) |  |