Table 6.

Multivariate stepwise model-dependent variable Mandard response: “0” good response and “1” bad response.

Variable	Odds ratio	Confidence interval 95%	p
Differentiation grade in resected specimen
0 + 1	1.00	3.38–32.30	<0.001
2 + 3	10.45
Necrosis grade in resected specimen
Marked	1.00	3.04–25.54	<0.001
Scarce/moderate	8.82
Mitosis number in resected specimen
≤9.5	1.00	1.52–10.90	0.005
≥9.6	4.07