Table 2.

GRADE_a certainty of patient outcomes in five included studies of the vitamin and mineral requirements in patients > 100 days post-SCT and during GVHD

	Study Design	Certainty Assessment
		Risk of Bias	Inconsistency	Indirectness	Imprecision	Publication Bias	Certainty
Vitamin D	Observational	Serious	Very Serious	Very Serious	Serious	Not suspected	Very Low
BMD [22, 23, 28, 32]
Calcium	Observational, RCT	Serious	Not suspected	Very Serious	Very Serious	Not suspected	Very Low
BMD [32, 36]
aGRADE = Grading of Recommendations Assessment, Development, and Evaluation