Transformations of summary statistics as input in meta-analysis for linear dose-response models on a logarithmic scale: a methodology developed within EURRECA

Table 2 Example statistics for observational studies on vitamin B12 intake (X) and vitamin B12 status (Y)

Reference	Observed univariate statistics				Observed bivariate statistic				Required statistics
	Type X₀ and Y₀	X₀	Y₀	n	Association		mX	sX	mY	sY	rXY	bYX	se(bYX)
[14]	Mean, SD	9.3, 9.3	330, 140	177	rX₀Y₀	0.16	1.88	0.83	5.72	0.41	0.19	0.09	0.04
[15]	gm, 95% CI	7.3, 7.1-7.5	354, 348-360	1329	r_s	0.19	1.99	0.51	5.87	0.32	0.19	0.12	0.02

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