Table 2.
Contamination of solid and liquid medium cultures of sputum samples collected after oral rinsing with chlorhexidine gluconate and cetylpyridinium chloride
| Culture medium | No. of patients | No. (%) of contaminated cultures in CHX groupa |
ORb | 95% CIc | P value | No. of patients | No. (%) of contaminated cultures in CPC groupd |
OR | 95% CI | P value | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Control | Intervention | Control | Intervention | |||||||||
| Ogawa | 59 | 6 (10.2) | 3 (5.1) | 0.25 | 0.005–2.532 | 0.38 | 61 | 5 (8.2) | 5 (8.2) | 1.0 | 0.724–13.795 | 1.0 |
| MGIT | 59 | 11 (18.6) | 4 (6.8) | 0.12 | 0.002–0.932 | 0.04 | 61 | 11 (18.0) | 9 (14.8) | 0.6 | 0.138–2.811 | 0.75 |
a
The control group rinsed with water, and the intervention group rinsed with a commercial mouthwash containing chlorhexidine.
b
OR, odds ratio.
c
95% CI, 95% confidence interval.
d
The control group rinsed with water, and the intervention group rinsed with a commercial mouthwash containing cetylpyridinium chloride.