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Table 4 Incidence of pain on 1st post obturation day: Vital and nonvital.

From: Endodontic flare-ups: comparison of incidence between single and multiple visit procedures in patients attending a Nigerian teaching hospital

Group Number in Group None Slight Moderate/severe
   No (%) No (%) No (%)
Vital 86 44 (51.2) 27 (31.4) 15 (17.4)
Nonvital 157 80 (51.0) 52 (33.1) 25 (15.9)
  1. Incidence of pain x2 = 0.02, df = 1, p = 0.90.
  2. Percentage incidence of pain, vital = 48.8.
  3. Percentage incidence of pain, nonvital = 50.3.