Table 1.

Patient characteristics

Whole cohort (n=112)
Mean age in years	92.2 (SD: 2.4)
Age range in years	90–102
Female sex	71/112 (63%)
Major surgery cases only (n=72)
Mean age in years	92.2 (SD: 2.5)
Age range in years	90–102
Female sex	54/72 (75%)
Previous myocardial infarction	17/70 (24.3%)
Previous stroke	4/70 (5.7%)
Hyperlipidaemia	10/70 (14.3%)
Hypertension	28/71 (39.4%)
Cardiac failure	7/69 (10.1%)
Atrial fibrillation	18/70 (25.7%)
Diabetes	5/70 (7.1%)
Malignant pathology	25/72 (34.7%)
ASA grade  1–2  3  4–5	17/67 (25.4%) 40/67 (59.7%) 10/67 (14.9%)
General anaesthesia	66/72 (91.7%)
Elective	26/72 (36.1%)
Curative intent	63/68 (92.6%)
Operation  Open  Laparoscopic	67/72 (93.0%) 5/72 (7.0%)

SD = standard deviation; ASA = American Society of Anesthesiologists