Table 1.

Summary of demographic and previous treatment data for subjects who received clozapine and lithium.

Subject Number	Gender	Age at time of first neutropenia (years)	Ethnicity	Previous Clozapine use before admission to NIMH	Dosage of Clozapine at time of first neutropenia (mg/day)	Duration of break in Clozapine treatment following first neutropenia (weeks)
1	M	13.4	African American	Yes	32.5	7.6
2	F	13.3	African American	No	N/A	N/A
3	M	9.8	Caucasian	Yes	150	36
4	M	6.7	Hispanic	No	N/A	N/A
5	M	14.8	African American	No	N/A	N/A
6	F	14.8	Middle Eastern	No	N/A	N/A
7	M	13.4	African American / Caucasian	**	N/A	N/A

^**Not available.

N/A: Not applicable