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Japanese version of the Leicester cough questionnaire (J-LCQ) total score
| Group | NTV vs. CC * | NTV vs. NS * | |||||
|---|---|---|---|---|---|---|---|
| N | Rank average | p value | N | Rank average | p value | ||
| LCQ (total score) | NTV | 259 | 201.48 | <.0001 | 259 | 175.31 | .2952 |
| CC | 100 | 124.38 | - | - | - | - | |
| NS | - | - | - | 100 | 192.16 | - | |
| * Steel test |
CC = conventional cigarette; NS = never-smokers; NTV = novel tobacco vapor.
