
Stratified Clarke Error Grid Analysis
Range of
Compara-
tive Glu-
cose
Readings
(mg/dL)
Total Count
A + B A B C D E
40-80 360 (13.9%) 201 (55.8%) 141 (39.2%) 60 (16.7%) 1 (0.3%) 157 (43.6%) 1 (0.3%)
81-120 482 (18.5%) 478 (99.2%) 287 (59.5%) 191 (39.6%) 4 (0.8%) 0 (0%) 0 (0%)
121-240 1055
(40.6%)
1053
(99.8%)
782 (74.1%) 271 (25.7%) 2 (0.2%) 0 (0%) 0 (0%)
240-400 702 (27.0%) 666 (94.9%) 523 (74.5%) 143 (20.4%) 0 (0%) 36 (5.1%) 0 (0%)
Overall 2599
(100.0%)
2398
(92.3%)
1733
(66.7%)
665 (25.6%) 7 (0.3%) 193 (7.4%) 1 (0.0%)
Appendix A
226
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