Table 1: Results of meconium FAEE analysis (n = 1271 samples analyzed)

Time of sample collection	Negative result		Positive result
Time of sample collection	Undetectable FAEE level	FAEE level 0.40–2.00 nmol/g	FAEE level > 2.00 nmol/g
≤ 24 h after birth	962	95	39
25–48 h after birth	49	17	12
> 48 h after birth	14	3	1
Unknown	66	9	4
Total	1091	124	56

Note: FAEEs = fatty acid ethyl esters.