Table 2.

Spearman’s rank-order correlations between theoretically derived covariates and dependent variables.

	Correlations
	7	8	9	10
1. Age at diagnosis	−.312*	−.187	−.056	−.121
2. Sex	.136	.057	.229	.192
3. Disease stage	.117	.237	−.252	−.262
4. Chemotherapy	.246	.330*	.149	.109
5. Radiation	.062	.141	−.132	.091
6. Smoking history	−.258	−.233	−.265	−.069
7. TL at baseline	1	-	-	-
8. TL at follow-up	-	1	-	-
9. Survival from study entry	-	-	1	-
10. Survival from date of diagnosis	-	-	-	1

Note.

^*r ≥ 0.3