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. 2022 Sep 7;12(4):390–399. doi: 10.1007/s44197-022-00057-1

Table 2.

Bacterial contamination of mobile phones and HCWs’ hands

Parameter Mobile phones Hands χ2 p
Qualified rate (n/%) 89 (80.2) 47 (42.3) 33.48  < 0.01
Contamination (n/%) 106 (95.5) 96 (86.5) 5.50 0.02
Number of colonies: median (IQR) (CFU/cm2) 2.9 (0.7–6.7) 15.8 (0.8–60.8) 4.74a  < 0.01

IQR interquartile range, CFU colony-forming unit

aZ value