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Comparison of pain on 1st post obturation day: single and multiple visit.
| Group | Number in study | None | Slight | Moderate/severe | |||
| No. | (%) | No. | (%) | No. | (%) | ||
| Single visit | 107 | 49 | (45.8) | 38 | (35.4) | 20 | (18.7) |
| Multiple visit | 136 | 75 | (55.1) | 41 | (30.2) | 20 | (14.7) |
| Total | 243 | 124 | (51.0) | 79 | (32.5) | 40 | (16.5) |
Incidence of pain: x2 = 1.74, df = 1, p = 0.19, degree of pain: x2 = 2.14, df = 2, p = 0.34.
