Cough incidence

Lidocaine group (N=35)

Remifentanil group (N=29)

OR (95% CI)

P-value

Before extubation 12 (34%) 20 (69%) 4.3 (1.5, 12.2) 0.006
After extubation 7 (20%) 4 (14%) 0.6 (0.2, 2.4) 0.74*
overall 16 (46%) 20 (69%) 2.6 (0.9, 7.4) 0.06
Severe Cough 8 (23%) 16 (55%) 3.1 (1.1, 9.1) 0.008
*P-value is obtained through Fisher’s exact test
Table 5: Post hoc analysis with duration of surgery larger than 120 minutes and less than 300 minutes.