Table 3. GLM analysis for Hb change shows model is useful (p<0.0001, R2 = 40.2%).

Source	Df	Sum of Squares	Mean Square	F value	Pr>F
Model	5	119.68	23.94	24.47	<0.0001
Error	182	178.062	0.978
Corrected Total	187	297.744
R_square	Coeff Var		Root MSE	HbChange Mean
0.402	-91.06526		0.9891	-1.08617
Source	Df	Type III SS	Mean Square	F-value	Pr>F
Arm	1	0.1187	0.1187	0.12	0.7280
ITPase	1	5.3424	5.3424	5.46	0.0205
ITPase*Arm	1	10.9888	10.9888	11.23	0.0010
rs12979860	2	7.098	3.549	3.63	0.0285