Table 1 Endodontic treatment time according to separated variables
From: Treatment time for non-surgical endodontic therapy with or without a magnifying loupe
Group (No. of teeth) | Treatment time/min (Mean ± SD) | P-value# |
|---|---|---|
Gender | 0.408 | |
Male (N = 66) | 60.3 ± 30.3 | |
Female (N = 116) | 58.9 ± 34.1 | |
Study site | <0.001 | |
Hong Kong (N = 98) | 76.2 ± 33.5 | |
Beijing (N = 84) | 39.9 ± 17.4 | |
Quadrant | 0.725 | |
Upper (N = 102) | 60.8 ± 34.6 | |
Lower (N = 80) | 57.6 ± 30.3 | |
Tooth location | <0.001 | |
Anterior (N = 42) | 36.4 ± 16.7 | |
Posterior (N = 140) | 66.3 ± 33.2 | |
Root canal | <0.001 | |
Multiple (N = 109) | 74.4 ± 31.9 | |
Single (N = 73) | 37.1 ± 17.8 | |
Tooth vitality | 0.985 | |
Yes (N = 75) | 62.1 ± 39.3 | |
No (N = 107) | 57.5 ± 27.1 | |
Apical radiolucency | 0.856 | |
Presence (N = 80) | 58.5 ± 28.7 | |
Absence (N = 102) | 60.2 ± 35.6 | |
Sinus tract | 0.915 | |
Presence (N = 16) | 56.3 ± 24.0 | |
Absence (N = 166) | 59.7 ± 33.5 | |
Preoperative pain | 0.019 | |
Presence (N = 75) | 63.7 ± 30.4 | |
Absence (N = 107) | 56.4 ± 34.0 | |
Visit | 0.386 | |
Multiple visits (N = 91) | 63.1 ± 37.5 | |
Single visit (N = 91) | 55.7 ± 26.8 | |
Use of magnifying loupe | 0.721 | |
Yes (N = 96) | 56.7 ± 23.5 | |
No (N = 86) | 62.5 ± 40.5 |