Design	Citation	Dose	Age	Ionised blood calcium
			(weeks)	Units	(mean)	(SD)
RCT	Gallo et al. (2013a) [Link]	10	0	mmol/L	1.38	n.a.
		10	4	mmol/L	1.37	n.a.
		10	8	mmol/L	1.37	n.a.
		10	21	mmol/L	1.35	n.a.
		10	34	mmol/L	1.33	n.a.
		10	48	mmol/L	1.32	n.a.
		20	0	mmol/L	1.4	n.a.
		20	4	mmol/L	1.4	n.a.
		20	8	mmol/L	1.37	n.a.
		20	21	mmol/L	1.35	n.a.
		20	34	mmol/L	1.33	n.a.
		20	48	mmol/L	1.32	n.a.
		30	0	mmol/L	1.39	n.a.
		30	4	mmol/L	1.37	n.a.
		30	8	mmol/L	1.36	n.a.
		30	21	mmol/L	1.35	n.a.
		30	34	mmol/L	1.33	n.a.
		30	48	mmol/L	1.32	n.a.
		40	0	mmol/L	1.4	n.a.
		40	4	mmol/L	1.38	n.a.
		40	8	mmol/L	1.37	n.a.
		40	21	mmol/L	1.35	n.a.
PROSP	Hazell et al. (2017)	10	48	mmol/L	1.29	0.03
		20	48	mmol/L	1.3	0.05
		30	48	mmol/L	1.28	0.06
		40	48	mmol/L	1.27	0.05

n.a.: not available; PROSP: prospective cohort study; RCT: randomised controlled trial; SD: standard deviation.

Units as reported in the paper are nmol/L, but here assumed to be mmol/L based on Gallo et al. (2014b).