Table A2.

Correlation of Imatinib Dose, GIST Genotype, and Objective Response Rate

Genotype	Imatinib Dose (%)		Analysis
	400 mg	800 mg	OR	95% CI	P
KIT exon 9	17	67	9.05	1.24 to 116.74	.02
KIT exon 11	71	72	1.05	0.59 to 1.90	.89
WT	42	50	1.39	0.40 to 4.83	.59

NOTE. Objective response rate includes complete response and partial response rates.

Abbreviations: GIST, gastrointestinal stromal tumor; OR, odds ratio; WT, wild type.