Table 1.
Differences between genders regarding baseline pain scores, pain scores after 24 h of treatment, and the need for root canal treatment within each study group.
| Variables | Ozone group | Traditional group | Mann Whitney test | ||||
|---|---|---|---|---|---|---|---|
| Males | Females | Males | Females | MW-U | Z | P | |
| Tooth pain at baseline | 163.0 | − 1.562 | .118 | ||||
| Mean | 7.57 | 7.95 | 8.05 | 7.90 | |||
| SD | 0.746 | 0.740 | 0.740 | 0.831 | |||
| CI | 7.23–7.91 | 7.62–8.29 | 7.71–8.38 | 7.53–8.28 | |||
| SE | 0.163 | 0.161 | 0.161 | 0.181 | |||
| Tooth pain after 24 h | |||||||
| Mean | 0.33 | 0.71 | 5.57 | 5.24 | 185.5 | − 1.028 | .304 |
| SD | 0.483 | 1.309 | 1.599 | 1.670 | |||
| CI | 0.11–0.55 | 0.12–1.31 | 4.84–6.30 | 4.48–6.00 | |||
| SE | 0.105 | 0.286 | 0.349 | 0.365 | |||
| Need for RCT | |||||||
| Frequency | 0 | 1 | 4 | 4 | 210.0 | − 1.000 | .317 |
MW-U = Mann Whitney U test coefficient, Z = Z statistic, P = two tailed probability, SD = Standard deviation, CI = 95% Confidence intervals of the mean, SE = Standard error of the mean, RCT = Root canal treatment.