Table 2. Number (%) of DRGs out of 3000, clustered into the major GRMs.

	First 6	First 8	First 12
EGF	2,816 (0.94)	2,884 (0.96)	2,936 (0.98)
EGF-SHH	2,668 (0.89)	2,847 (0.95)	2,915 (0.97)
SHH	1,893 (0.63)	1,984 (0.66)	2,135 (0.71)
CTRL	1,782 (0.59)	1,899 (0.63)	2,066 (0.69)

First column gives the number (%) of DRGs clustered into the first 6 GRMs (the largest 6 GRMs) under each condition. The last two columns include similar numbers (%) for the first 8 and first 12 GRMs, respectively.