Table 2.

Total number of Hospital Episode Statsitics for which there was a primary diagnosis or 'external cause' of ADR 1998–2005

	1998–9	1999–00	2000–1	2001–2	2002–3	2003–4	2004–5	% Change 1998–2005
Total No. of Episodes	11,983,893	12,167,574	12,674,277	12,357,360	12,757,656	13,174,480	13,706,765	14.4
No. with 'drug induced' codes	10506	10105	9823	9442	9246	9453	10396	-1.0
No. with external cause codes	42,555	47,385	50,113	52,160	56,943	62,618	66,296	55.8
Total Adverse Drug Reactions	53,061	57,490	59,936	61,602	66,189	72,071	76,692	44.5