Table 4.

The Standardized Incidence Ratio (SIR) and the 95% confidence interval (CI) among healthcare staff and working areas stratified by gender.

Working area	Male				Female
	O	E	SIR	95%CI	O	E	SIR	95%CI
–office	1	1.49	0.67	0.02–3.74	8	7.37	1.09	0.47–2.14
–out-patient department	2	0.55	3.64	0.44–13.14	5	3.33	1.50	0.49–3.50
–in-patient department/intensive care unit	0	0.44	<0.01	<0.001–8.38	5	6.75	0.74	0.24–1.73
–operating room	0	0.17	<0.01	<0.001–21.70	1	0.66	1.52	0.04–8.44
–radiation department	2	1.07	1.87	0.23–6.75	4	2.34	1.71	0.47–4.38
–maintenance unit	2	0.90	2.22	0.27–8.03	–	–	–	–
–laboratory/research unit	1	0.64	1.56	0.04–8.71	0	1.84	<0.01	<0.001–2.00
–chemotherapeutic unit	1	0.10	10.0	0.25–55.72	1	0.54	1.85	0.05–10.32
–pharmacy unit	1	0.30	3.33	0.08–18.57	0	0.71	<0.01	<0.001–5.20
–supply/laundry unit	0	0.24	<0.01	<0.001–15.37	0	0.22	<0.01	<0.001–16.04
–others i.e. transport unit, security, catering	0	0.35	<0.01	<0.001–10.54	1	0.95	1.05	0.03–5.87

“–” = no subject in this category.