From: Cost-effectiveness of eye care services in Zambia
Cataract (n = 77)
Refraction (n = 41)
Utility value
Baseline
Follow-up
P-value*
Mean
0.782
0.832
0.014
0.850
0.925
0.006
SD
0.150
0.129
0.139
0.117
Min
0.130
0.417
0.361
0.509
Max
1