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Table 5 PHCU excellence scores mean rank test using Mann–Whitney U Test, August 2021

From: An evaluation of excellence in primary healthcare units after the introduction of a performance management innovation in two regional states of Ethiopia: a facility based comparative study

  EHCRIG (Q1) EHCRIG (Q4) EHCRIG (Q8)
Project supported Non-project supported Project supported Non-project supported Project supported Non-project supported
N 184 180 184 180 184 180
Mean rank 216.87 147.37 244.68 118.93 257.67 105.66
Sum of ranks 39,903.50 26,526.50 45,022.00 21,408.00 47,412.00 19,018.00
Mann–Whitney U 10,236.50   5118.00   2728.00  
Wilcoxon W 22,940.00   21,408.00   191,018.00  
Z -6.30   -11.40   -13.78  
Asymp. sig. (2-tailed) 0.001   0.001   0.001