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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.