Table 3. Assessment of rescue medication .
| Meperidine | Nicotine (n=50) | Placebo (n=50) | P value |
| 0 mg | 24 (48%) | 26 (52%) | 0.096a |
| 25 mg | 18 (36%) | 15 (30%) | |
| 50 mg | 8 (16%) | 9 (18%) |
aChi-Square; Fisher’s exact test.
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