Table 1

Items used to calculate the direct costs for the acute management of mild head injury in Sweden where the current strategy is based on inhospital observation. Costs in sterling (£), 1998

Number of cases (inhospital stay ⩽3 days)15917 1
Patient days (inhospital stay⩽3 days)22284 1
Use of CT in admitted patients20% 4
Mortality0.1% 9
Need for intervention1% 9
Abnormal findings of acute CT8% 9
Cost of CT scan, mean135 2
Cost of observation (1.4 patient days), mean335 20
Cost of emergency department visit, mean75 14
Cost of neurosurgery3800 14