Table 2.

Studies and subsets of studies, totalling 65 population samples, were split into health care setting and community setting for comparison of results.

Population group	datasets	countries	phones sampled			swabs sampled^			isolates			taxonomic units~			Contaminated phones (%)a
			total	average	median	total	average	median	total	average	median	total	average	median
Community	18	10	2670	148	117	2815	156	130	3817	212	106	73	8	7	68%
Health care workers	47	19	5801	123	110	5895	125	120	5601	119	90	100	9	8	68%
Complete dataset	65	24	8471	130	110	8710	134	120	9418	145	97	134	9	8	68%

^one study swabbed more than once for each mobile phone [50].

~ These values should be considered indicative only dur to the lack of taxonomic refinement in some instances.

^aCalculation excludes one study from each population type that did not provide this value [50].