Table 2.

Capture–recapture estimates of the number of adverse drug reactions (ADRs)

	Number of observed ADRs			Estimate of total number of ADRs
	PMSI	PV	Matches	N	95% CI
Unstratified analysis
All	274	151	52	796	638, 954
Analysis by age group, years
16–39	62	26	14	115	79, 151
40–64	87	48	16	261	167, 355
65–79	65	38	8	309	131, 487
>80	60	39	14	167	106, 229

PMSI, Programme de Medicalization des Systemes d’Information; PV, French Pharmacovigilance database.