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Table 4 Common adverse events reported by participants who completed all study visits

From: Success rates with nicotine personal vaporizers: a prospective 6-month pilot study of smokers not intending to quit

Adverse Event (AE)

Study Visits

4-week

8-week

12-week

24-week

no. pts reporting AEs/total no. pts (%)

no. pts reporting AEs/total no. pts (%)

no. pts reporting AEs/total no. pts (%)

no. pts reporting AEs/total no. pts (%)

Throat/mouth irritation*

16/45 (35.6%)

9/43 (20.9%)

7/41 (17.1%)

4/38 (10.5%)

Dry throat/mouth

13/45 (28.9%)

10/43 (23.3%)

9/41 (22.0%)

7/38 (18.4%)

Headache

12/45 (26.7%)

9/43 (20.9%)

8/41 (19.5%)

8/38 (21.1%)

Dry cough

10/45 (22.2%)

7/43 (16.3%)

5/41 (12.2%)

2/38 (5.3%)

Dizziness§

7/45 (15.6%)

7/43 (16.3%)

5/41 (12.2%)

3/38 (7.9%)

Nausea

6/45 (13.3%)

5/43 (11.6%)

5/41 (12.2%)

5/38 (13.2%)

Sore throat

4/45 (8.9%)

3/43 (7.0%)

1/41 (2.4%)

1/38 (2.6%)

Palpitations

3/45 (6.7%)

3/43 (7.0%)

0/41 (0%)

0/38 (0%)

Choking sensation

2/45 (4.4%)

1/43 (2.3%)

0/41 (0%)

0/38 (0%)

  1. *Throat and mouth irritation were described either as tickling, itching, or burning sensation.
  2. §Dizziness, was also used to mean vertigo and light-headedness.