Table 2

Comparison of public and private hospitals in Addis Ababa City for total and hazardous waste generated per day using Mann–Whitney T test, 2011
Hospital type Total HCW HW
Mean rank Sum of ranks Mean rank Sum of ranks
Public 5 15 4 12
Private 2 6 3 9
P-value 0.05 0.51

Debere et al.

Debere et al. BMC Public Health 2013 13:28   doi:10.1186/1471-2458-13-28

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