TABLE 3.

Amount of resection compared with survival.

	No. patients (%)	Median survival in mo (95%CI)	p-value for survival (controlling for age) [Hazard ratio]
GTR=100% (n=38)		15.52 (11.24–18.64)	p=0.001 [HR=0.25]
Yes	19 (50.00)
No	19 (50.00)
GTR≥95% (n=38)		14.53 (11.15–17.65)	p=0.01 [HR=0.36]
Yes	23 (60.53)
No	15 (39.47)
GTR≥85% (n=38)		13.18 (9.93–15.52)	p=0.09
Yes	29 (76.32)
No	9 (23.68)
Biopsy		1.38 (0.95–2.22)	p=0.01 [HR=4.25]
Yes	4 (9.52)
No	38 (90.48)

GTR, gross total resection.

Four patients with biopsies were not included in the comparisons of GTR=100%, GTR≥95%, and GTR≥85%.