MRSA carriage among healthcare workers in non-outbreak settings in Europe and the United States: a systematic review

Table 3 Pooled estimates of MRSA colonisation among healthcare workers: stratified analysis

Stratified analysis [sets of studies]	Number of studies	Pooled estimation		Heterogeneity
Stratified analysis [sets of studies]	Number of studies	OR	95% CI	Χ²	p value
Nursing staff versus medical staff [32, 33, 36, 38, 41, 48, 50, 55]	8	1.72	1.07-2.77	4.60	0.71
Nursing staff versus other healthcare staff
- high-quality studies [31–33, 36]	4	3.66	2.33-5.77	1.18	0.76
- study area Europe [31, 33, 38, 50, 55]	5	3.19	1.98-5.13	1.26	0.87
- study area US [32, 36, 41, 48]	4	2.07	0.83-5.15	6.4	0.09

ISSN: 1471-2334