Factory edge usually shows greater variance on the tester than the re-sharpened and thoroughly deburred edge.
3 sharpness measurements were taken in the same point of the edge, approximately of course.
Examples from the test logs for factory edge vs resharpened:
FACTORY EDGE
Acacia long-grain
Initial sharpness 110, 140, 125 BESS
After 2000 cuts 135, 110, 100
Acacia end-grain
Initial sharpness 130, 135, 130 BESS
After 2000 cuts 110, 105, 115
Bamboo long-grain
Initial sharpness 195, 200, 190 BESS
After 2000 cuts 180, 175, 165
Bamboo end-grain
Initial sharpness 165, 155, 175 BESS
After 2000 cuts 240, 185, 210
Yoshihiro Hi-Soft polyvinyl acetate
Initial sharpness 145, 185, 150 BESS
After 2000 cuts 125, 105, 115
High Density polypropylene
Initial sharpness 115, 125, 120 BESS
After 2000 cuts 70, 75, 70
Low Density polypropylene
Initial sharpness 110, 125, 120 BESS
After 2000 cuts 200, 195, 190
Low Density polyethylene
Initial sharpness 120, 125, 120 BESS
After 2000 cuts 90, 85, 95
RESHARPENED EDGE
Low Density polyethylene
Initial sharpness 110, 110, 110 BESS
After 2000 cuts 65, 70, 65