Table 1a.

Number of days exposed to generic divalproex sodium for emergency room visit analysis and the percentage of the total observed days according to the final extract.

	Month Data Extracted
	MAY 2009		JUNE		JULY		AUG		SEP		OCT		Final (NOV)
Observed Month	n	%	n	%	n	%	n	%	n	%	n	%	n
AUG 2008	4,989	100.0	4,989	100.0	4,989	100.0	4,989	100.0	4,989	100.0	4,989	100.0	4,989
SEP	13,927	100.0	13,927	100.0	13,927	100.0	13,927	100.0	13,927	100.0	13,927	100.0	13,927
OCT	23,925	100.0	23,925	100.0	23,925	100.0	23,925	100.0	23,925	100.0	23,925	100.0	23,925
NOV	29,751	100.0	29,751	100.0	29,751	100.0	29,751	100.0	29,751	100.0	29,751	100.0	29,751
DEC	35,484	100.0	35,484	100.0	35,484	100.0	35,499	100.0	35,499	100.0	35,499	100.0	35,499
JAN 2009	37,122	100.1	37,074	100.0	37,074	100.0	37,094	100.0	37,083	100.0	37,077	100.0	37,083
FEB	36,777	100.2	36,714	100.1	36,714	100.1	36,710	100.1	36,687	100.0	36,670	100.0	36,687
MAR	43,513	100.4	43,397	100.1	43,397	100.1	43,366	100.0	43,313	99.9	43,349	100.0	43,349
APR	41,910	92.0	45,671	100.2	45,696	100.3	45,636	100.2	45,588	100.0	45,566	100.0	45,566
MAY			51,210	100.9	51,023	100.6	50,926	100.4	50,785	100.1	50,706	99.9	50,734
JUN					45,638	91.5	45,351	90.9	49,688	99.6	49,626	99.5	49,882
JUL							21,467	40.5*	52,892	99.8	52,965	99.9	53,019
AUG									53,849	100.1	53,743	99.9	53,804
SEP											51,295	99.9	51,372
OCT													53,821

^*Note: The lower capture rate in August may be due to early extract dates at the sites which occurred between the 4^th and 10^th rather than around the median extract date of the 15^th.