Table 3. Comparison of CANros Results Between Short (4 hrs) and Normal Abstinence (2-7 days).
CANros	Group B (4 hours) (n=30)	Group A (2-7 days) (n=30)	p-value (chi-square test)
NORMAL	10 (33.33%)	5 (16.66%)	0.095547
SEVERE	5 (16.66%)	9 (30%)