Table 3

Number of days in the 2 months before surgery on which patients did not smoke at all: N = 161.

DURATION OF ABSTINENCEN (%)
1 day37 (23.0)
2–5 days21 (13.0)
6–9 days16 (9.9)
10–20 days12 (7.5)
4 weeks7 (4.3)
8 weeks12 (7.5)