Table 8.

Descriptive statistics of reported limits of quantification for poppy seed samples (mg/kg; whole weight) and proportion of left‐censored (LC) data (%) for analytical results submitted from 2012 until 2017 (2nd batch)

Substance	N	% LC	Minimum	P25	Mean	P75	Maximum
Morphine	1,164	2	0.010	0.10	2.7	6.9	7.5
Codeine	962	25	0.010	0.050	0.60	1.0	1.8
Thebaine	869	31	0.040	0.050	2.35	1.0	27
Oripavine	41	63	0.10	0.10	0.10	0.10	0.10
Noscapine	782	60	0.050	0.10	0.65	1.0	1.0
Papaverine	304	71	0.040	0.050	0.17	0.10	1.0
Narceine	41	54	0.10	0.10	0.10	0.10	0.10
Acetylcodeine	43	100	0.10	0.10	0.10	0.10	0.10

N: number of samples; P: percentile.