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. 2013 Jan 1;7(1):24–34. doi: 10.1177/193229681300700104

Table 2.

Consensus Error Grid Analysis of the Two Cohorts Cumulated up to Different Time Points

Data up to 1 week 1 month 3 months 6 months
Cohort 1 2 1 2 1 2 1 2
n 1166 368 3511 1009 5833 1914 8894 2799
Error grid analysis
Zone A 86.2% 94.6% 75.2% 87.9% 66.9% 82.2% 61.6% 79.6%
Zone B 12.8% 5.4% 22.6% 11.7% 29.9% 17.0% 33.9% 19.3%
Zone A+B 99.0% 100% 97.8% 99.6% 96.8% 99.2% 95.5% 98.9%
Zones C, D, E 1.0% 0.0% 2.2% 0.4% 3.2% 0.8% 4.5% 1.1%
Mathematical parameters
MARD 12.5% 6.9% 16.5% 10.5% 19.8% 12.8% 22.5% 14.0%
Median absolute relative difference 8.7% 4.8% 11.1% 6.8% 13.4% 8.5% 15.2% 9.5%
25th percentile 3.8% 1.9% 4.7% 3.0% 5.9% 3.6% 6.7% 4.0%
75th percentile 15.9% 9.2% 21.1% 14.2% 26.0% 17.3% 29.4% 18.9%