Table 1.

Demographics of patients aged <2 years for which a report of a suspected adverse drug reaction was received by the Yellow Card Scheme 2001–10 excluding misclassified adult yellow cards

		Total	Paternal	Transplacental	Transmammary	Neonates	Infant	Vaccines
Number of reports		3504	3	248	30	97a	471	2673a
Total number of drugs (can be >1 per card)		4587	4	304	33	108	514	3646
Total number of different medications		273	4	221	24	68	223	31
Median number of drugs per YC (range)		1 (1–15)	1 (1–2)	1 (1–14)	1 (1–3)	1 (1–5)	1 (1–3)	1 (1–15)
Total Number of Reactions (can be >1 per YC)		6663	6	486	88	184	837	5090
Median number of reactions (range) per YC)		1 (1–15)	1	1 (1–14)	1 (1–5)	1 (1–5)	1 (1–12)	1 (1–15)
Gender
Male		1718	1	89	12	52	254	1318
Female		1548	1	70	12	42	197	1236
Not recorded		238	1	89	6	3	20	119
Outcomes b
Fatal		65	0	28	2	3	13	19
Not recovered/Not resolved		507	0	75	2	16	65	350
Recovered/Resolved		2413	0	49	21	67	350	1939
Unknown		519	3	96	5	11	44	365
Reporter
Doctor		1445	3	188	22	54	251	934
Nurse		1086	0	8	1	10	41	1033
Pharmacist		138	0	14	2	15	87	20
Parent/Carer		173	0	8	3	2	42	118
Other healthcare		652	0	30	2	16	47	563
Unknown		8	0	0	0	0	3	5

^aYC that contain vaccines given to those infants on the neonatal age range are included in both neonates and vaccinations data (n = 18).

^bOutcomes shows the worst recorded on each YC.