From: An ecological study of geographic variation and factors associated with cesarean section rates in South Korea
Standardized CS rate
Crude CS rate
Mean
380.6
374.0
Standard deviation
60.0
54.7
Max
227.5
227.3
Min
680.3
596.6
Max/Min
3.0
2.6
P90/P10
1.5
CV
0.2
0.1
SCV*
2.3