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Table 5 Summary oral health outcome data

From: A feasibility study with embedded pilot randomised controlled trial and process evaluation of electronic cigarettes for smoking cessation in patients with periodontitis

 

Control (n = 29)

Intervention (n = 29)

n

Baseline mean (SD)

Mean change from baseline to 6 months (SD; 95% CI)

n

Baseline mean (SD)

Mean change from baseline to 6 months (SD; 95% CI)

Mean PPD (mm), mean (SD; 95% CI)

29

4.0 (0.8)

− 0.7 (0.5; − 0.9 to − 0.5)

29

3.8 (0.7)

− 0.8 (0.6; − 1.0 to − 0.6)

Percentage of sites with PPD ≥ 5 mm, mean (SD; 95% CI)

29

39.0 (20.8)

− 19.3 (13.0; − 24.2 to − 14.3)

29

35.1 (16.2)

− 21.5 (13.7; − 26.7 to − 16.3)

% BOP score, mean (SD; 95% CI)

29

25.2 (18.5)

− 11.1 (13.5; − 16.3 to − 6.0)

29

17.0 (12.6)

− 7.0 (13.6; (− 12.1 to − 1.8)

CODS, mean (SD; 95% CI)

29

3.7 (1.3)

− 0.7 (1.6; − 1.3 to − 0.1)

29

3.8 (0.9)

− 0.3 (1.3; − 0.8 to 0.2)

OHQoL-UK, mean (SD; 95% CI)

29

43.1 (6.7)

8.2 (15.1; 2.4 to 14.0)

29

43.4 (7.7)

9.6 (13.2; 4.6 to 14.6)

  1. Missing periodontal data due to participant loss to follow-up were not imputed. For teeth that were lost or extracted during the study period, a ‘last observation carried forward’ approach was used for the periodontal indices where possible
  2. PPD pocket probing depths, BOP bleeding on probing, CODS clinical oral dryness score, OHQoL-UK UK Oral Health-related Quality of Life measure