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Table 1 Descriptive statistic of input and output variables, Tigray (July 2007 - June 2008)

From: Efficiency of the health extension programme in Tigray, Ethiopia: a data envelopment analysis

Variable Definition Mean Std. deviation Minimum Maximum
Input      
X1 # health extension workers 1.9 0.22 1 3
X2 # voluntary health workers 13.2 4.6 4 19
Outputs      
Y1 # health education sessions 241.93 411.88 1 2169
Y2 # women with completed antenatal care visits 14.71 23.13 1 128
Y3 # deliveries 25 25.5829 1 116
Y4 # family planning service 155.96 258.58 1 1287
Y5 # diarrheal cases treated 69.48 75.52 1 528
Y6 # visits by CHWs 27.66 98.93 1 577
Y7 # total patients attended 847.86 1081.63 182 8235
Y8 # malaria cases treated 401.33 537.47 42 3624