Table 3:

Multivariate logistic regression model predicting 1p/19q LOH^a

Regressor	Coefficient	OR (95% CI)	P Value
All tumors
Sex (female vs male)	1.193	0.533 (0.190–1.498)	.2330
Age (<41 yr vs >41 yr)	1.195	1.853 (0.674–5.094)	.1690
Calcification (yes vs no)	1.785	4.284 (0.867–21.172)	.0743
T/N ratio (<2.46 vs ≥2.46)	2.309	3.449 (1.206–9.868)	.0209b
Grade II tumors
Sex (female vs male)	0.962	0.507 (0.127–2.025)	.3362
Age (<41 yr vs >41 yr)	0.512	1.430 (0.364–5.616)	.6085
Calcification (yes vs no)	1.086	3.513 (0.364–33.917)	.2773
T/N ratio (<2.46 vs ≥2.46)	2.546	7.522 (1.591–35.569)	.0109b
Grade III tumors
Sex (female vs male)	0.821	0.516 (0.107–2.503)	.4117
Age (<41 yr vs >41 yr)	1.060	2.398 (0.476–12.083)	.2892
Calcification (yes vs no)	1.616	6.839 (0.664–70.451)	.1061
T/N ratio (<2.46 vs ≥2.46)	0.683	1.762 (0.347–8.953)	.4945

Note:—OR indicates odds ratio; CI, confidence interval.

^aStatistical analysis was performed using a logistic regression model.

^bP < .05.