Table 1: Human resource cost per chest X-ray film
Staff	Activities	Mean time (minutes)	Median time (25th,75th) (minutes)	Salary per minute (MYR)	Cost per unit (MYR)	Percentage from total cost	Idle time (seconds)	Idle time cost (MYR)
Attendant 1	Receiving and allocating number	1.15	0.98 (0.89,1.3)	0.141	0.162	10.9	8	0.018
Clerk	Patient registration	0.74	0.72 (0.55,1.0)	0.145	0.107	7.2	5	0.012
Radiographer 1	Preparing and exposing patient	3.43	3.0 (2.3,4.6)	0.211	0.723	48.7	12	0.042
Radiographer 2	Labeling and validating film	1.79	1.4 (1.2,2.0)	0.169	0.302	20.4	107	0.299
Attendant 2	Dispatching films	1.36	1.3 (1.3,1.4)	0.141	0.190	12.8	6	0.138
Human resource cost per chest X-ray					1.48	Idle time cost per chest X -ray		0.51
MYR: Malaysian Ringgit