Table 1.

Summary of protein expression profiles
Comparison	Up Regulated	Down Regulated	Total Markers
Stage IIa versus	34	41	75
healthy
Stage IIb versus	38	45	83
healthy
Totals	72	86	158
Stage IIa compared to stage IIb
Common proteins	24	31	55
Differing proteins	24	24	48
Totals	48	55	83