Table 1

Details of patients admitted for urgent or elective abdominal surgery

GroupUrgentControl
Values in parentheses are the range for each variable.
Patient number9482
Exclusions20*2
Study number7480
Male3938
Mean age in years51 (16–94)54 (23–85)
Median delay from admission to operation in days1 (0–14)1 (0–22)
Median delay from operation to interview in days2 (0–11)1 (0–18)
Mean MMSE28 (15–30)29 (18–30)