Table 2.

Comparison of RS and SRS.

Sample size (Nominal number of tiles)	25	50	100
Epithelial cells	Global average (per 100 micron square): 21.3 cells
RS–relative batch diff.	11.30%	8.10%	5.80%
SRS–relative batch diff.	9.20%	6.00%	3.50%
Inflammatory cells	Global average: 5.52 cells
RS–relative batch diff.	19.20%	12.50%	8.30%
SRS–relative batch diff.	17.40%	7.60%	6.50%
Fibroblasts	Global average: 5.64 cells
RS–relative batch diff.	14.50%	11.00%	8.00%
SRS–relative batch diff.	13.80%	8.10%	4.80%
“Other” cells	Global average: 2.43 cells
RS–relative batch diff.	24.30%	16.90%	9.90%
SRS–relative batch diff.	20.10%	11.50%	7.80%