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. 2014 May 6;9(5):e96801. doi: 10.1371/journal.pone.0096801

Table 2. Comparison chart showing automated vs. manual scoring.

Total number of high positive (3+) cases 312
Total number of positive (2+) cases 481
Total number of low positive (1+) cases 572
Total number of negative (0+) cases 338
 Total number of cases studied 1703
Number of cases where inter-observer score does not match 383
Number of cases where inter-observer scores match but differ from automated analysis 150
Number of cases where automated scores and manual scores differ due to higher stroma to tumor ratio 124
Percentage match between manual and automated scoring before stroma to tumor ratio corrections by higher magnification 77.5%
Percentage match between manual and automated scoring after stroma to tumor ratio corrections by higher magnification 88.6%

Table shows the distribution of samples and a comparison study between the automated and the manual scoring. Total number of cases determines the sample size taking into account for the study. The difference of significance was obtained by two-tailed chi-square test resulting into values of P<0.0001 (CI  = 95%).