Table 4.

Comparison of the percentage of points in error grid with other studies in the literature

Clark and Parkes error grid percentage	Zona AB (%)	Zona A (%)
Clarke Error Grid
Our results (n = 144)	90.3	62.5
Dialysis patients (n = 2885) [13]	99.7	41.8
Non-dialysis patients (n = 6696) [17]	99.5	88.8
Non-dialysis patients (n > 25.000) [18]	99	85.5
Parkes Grid
Our results (n = 144)	89.6	80.6
Dialysis patients (n = 2885) [13]	99	39.8
Dialysis patients (n = 104) [16]	100	93.3
Non-dialysis patients (n = 6696) [17]	99.9	87
Non-dialysis patients (n > 25.000) [18]	99.7	86.7