Table 1.

Characteristics of the study population, values are mean (SD), number (proportion)

Characteristics of study sample (n=35)	Value
Age; years	79.9 (5.6)
Sex
Female	19 (54%)
Male	16 (46%)
Rockwood Clinical Frailty Score
3	1 (2.9%)
4	12 (34.3%)
5	17 (48.6%)
6	5 (14.3%)
Surgical specialty
Orthopaedic	20 (57%)
Gastrointestinal	7 (20%)
Urology	5 (14%)
Gynaecology	1 (3%)
Vascular	1 (3%)
Breast	1 (3%)
ASA score*
2	8 (23%)
3	27 (77%)

*ASA, American Society of Anaesthesiologists physical status classification system score.