Table 3. Comparing 5 different methods... | American Society of Hematology

Table 3.

Comparing 5 different methods to define vitamin D exposure, each was analyzed separately within a multivariate Cox model for TTFT and TFS presented inTable 2

Vitamin D or analog representation	TTFT		TFS
Vitamin D or analog representation	Hazard ratio	P value	Hazard ratio	P value
Current vitamin D use (binary)	0.992 (0.61-1.615)	.975	0.961 (0.855-1.065)	.066
Cumulative vitamin D use	0.954 (0.861-1.047)	.651	0.922 (0.972-1.013)	.223
Current vitamin D dose	1 (0.999-1)	.264	0.933 (0.882-1.012)	.179
Log (current vitamin D dose)	0.879 (0.762-1.014)	.077	0.912 (0.856-0.971)	.004
Cumulative vitamin D dose	1 (1-1)	.659	0.984 (0.982-1.02)	.421
Current analog use	0.965 (0.937-0.993)	.266	0.71 (0.461-1.122)	.091
Cumulative analog use	0.976 (0.965-0.988)	.767	0.927 (0.923-1.042)	.182
Current analog dose	0.968 (0.899-1.036)	.092	0.936 (0.995-1.001)	.056
Log (analog dose)	0.97 (0.913-1.027)	.181	0.951 (0.882-1.015)	.082
Cumulative analog dose	1 (1-1)	.372	1 (1-1)	.418

Vitamin D or analog representation	TTFT		TFS
Vitamin D or analog representation	Hazard ratio	P value	Hazard ratio	P value
Current vitamin D use (binary)	0.992 (0.61-1.615)	.975	0.961 (0.855-1.065)	.066
Cumulative vitamin D use	0.954 (0.861-1.047)	.651	0.922 (0.972-1.013)	.223
Current vitamin D dose	1 (0.999-1)	.264	0.933 (0.882-1.012)	.179
Log (current vitamin D dose)	0.879 (0.762-1.014)	.077	0.912 (0.856-0.971)	.004
Cumulative vitamin D dose	1 (1-1)	.659	0.984 (0.982-1.02)	.421
Current analog use	0.965 (0.937-0.993)	.266	0.71 (0.461-1.122)	.091
Cumulative analog use	0.976 (0.965-0.988)	.767	0.927 (0.923-1.042)	.182
Current analog dose	0.968 (0.899-1.036)	.092	0.936 (0.995-1.001)	.056
Log (analog dose)	0.97 (0.913-1.027)	.181	0.951 (0.882-1.015)	.082
Cumulative analog dose	1 (1-1)	.372	1 (1-1)	.418