Table  1  : Frequency  distribution of acetylation  phenotype in AD patient  and  controls  

Acetylation Phenotype		Subjects
		Patients	Controls
Slow	N o.	26	29
	%	72.2	69.4
Rapid	No.	10	13
	%	27.8	30.6
Total	No.	36	42
	%	100	100

  Table   2 : The  mean and range of the concentrations of Dapsone (DDS) and monoacetyldapsone  (MADDS) in  A D  patients  and  controls 

Acetylation Phenotype	Concentration mg/dl	Subjects
		Patients	Controls
Slow	Mean DDS (Range)	0.82  + 0.31       (0.45-2.18)	0.87  + 0.23 (0.31 – 2.84)
	Mean MADDS (Range)	0.36  + 0.17 (0.08-0.64)	0.45  + 0.38 (0.09-1.01)
Rapid	Mean DDS (Range)	0.94 + 0.37 (0.65-1.91)	0.64  + 0.27 (0.57-1.64)
	Mean MADDS (Range)	0.59  + 0.18 (0.20-0.92)	0. 53  + 0.22 (0.21-1.12)