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Demographic variables describing sample size, age and percentage of male and female participants in each group.
| Groups | Ν (Sample Size) | Age (mean+ standard deviation) | Female (21) | Male (24) |
|---|---|---|---|---|
| K file | 15 | 5.60+1.121 | 53.3% (8) | 46.7% (7) |
| ProTaper | 15 | 5.60+1.183 | 40.0% (6) | 60.0% (9) |
| K3 | 15 | 5.67 +1.496 | 46.7% (7) | 53.3% (8) |
| Total | 45 | 5.62+1.248 | 46.7% (21) | 53.3% (24) |
