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Table 3 Regression estimates for the symptoms outcomes according to the treatment groups and follow-up periods. Data are regression coefficients (and p-values)

From: Postsurgical oral symptoms after insertion of one or two implants for mandibular overdentures: short-term results of a randomized clinical trial

Outcomes Groups Outcomes
Pain in the surgical area Pain when chewing Swelling Bleeding Unpleasantness Overall score
Treatm. groups 1-IOD 0 0 0 0 0 0
2-IOD 0.235 (0.157) 0.107 (0.543) 0.023 (0.902) − 0.171 (0.340) 0.166 (0.321) 0.108 (0.443)
Follow-ups 24-h 0 0 0 0 0 0
7-day − 0.358 (< 0.001) − 0.330 (< 0.001) − 0.559 (< 0.001) − 0.693 (< 0.001) − 0.366 (< 0.001) − 0.415 (< 0.001)
21-day − 1.008 (< 0.001) − 0.692 (< 0.001) − 0.794 (< 0.001) − 0.748 (< 0.001) − 0.663 (< 0.001) − 0.777 (< 0.001)