Independent variable | Category (No.) | Incidence of pain after 1Â day | Incidence of pain after 7Â days | ||||
---|---|---|---|---|---|---|---|
No. | % | p-value | No. | % | p-value | ||
Treatment visit | Single (275) | 68 | 25Â % | 0.03* | 11 | 4Â % | 0.47 |
Multiple (263) | 88 | 33Â % | Â | 14 | 5Â % | Â | |
Obturation method | Thermafil (234) | 47 | 20Â % | <0.01* | 10 | 4Â % | 0.72 |
Lateral condensation (304) | 109 | 36Â % | Â | 15 | 5Â % | Â | |
Use of loupe | Yes (243) | 74 | 30Â % | 0.50 | 10 | 4Â % | 0.59 |
No (295) | 82 | 28Â % | Â | 15 | 5Â % | Â | |
Operator’s experience | <=10 years (309) | 110 | 36 % | <0.01* | 15 | 5 % | 0.79 |
>10Â years (229) | 46 | 20Â % | Â | 10 | 4Â % | Â | |
Gender | Male (233) | 65 | 28Â % | 0.62 | 10 | 4Â % | 0.73 |
Female (305) | 91 | 30Â % | Â | 15 | 5Â % | Â | |
Arch | Upper (320) | 92 | 29Â % | 0.38 | 21 | 7Â % | 0.01* |
Lower (218) | 64 | 29Â % | Â | 4 | 2Â % | Â | |
Tooth position | Anterior (135) | 34 | 25Â % | 0.26 | 5 | 4Â % | 0.55 |
Posterior (403) | 122 | 30Â % | Â | 20 | 5Â % | Â | |
Canal | Single (219) | 59 | 27Â % | 0.38 | 10 | 5Â % | 0.94 |
Multiple (319) | 97 | 30Â % | Â | 15 | 5Â % | Â | |
C-shaped canal | Yes (22) | 8 | 35Â % | 0.44 | 0 | 6Â % | 0.62a |
No (516) | 148 | 24Â % | Â | 25 | 3Â % | Â | |
Periodontal pocket | Yes (57) | 17 | 30Â % | 0.88 | 5 | 9Â % | 0.17a |
No (481) | 139 | 29Â % | Â | 20 | 4Â % | Â | |
Apical periodontitis | Yes (210) | 36 | 17Â % | <0.01* | 7 | 3Â % | 0.25 |
No (328) | 120 | 37Â % | Â | 18 | 5Â % | Â | |
Tender to percussion | Yes (182) | 60 | 33Â % | 0.15 | 13 | 7Â % | 0.05a |
No (356) | 96 | 27Â % | Â | 12 | 3Â % | Â | |
Hypermobility | Yes (18) | 5 | 28Â % | 0.91 | 3 | 17Â % | 0.05 |
No (520) | 151 | 29Â % | Â | 22 | 4Â % | Â | |
Abscess or sinus tract | Yes (50) | 10 | 20Â % | 0.14 | 4 | 8Â % | 0.28a |
No (488) | 146 | 30Â % | Â | 21 | 4Â % | Â | |
Tooth vitality | Vital (219) | 78 | 36Â % | 0.01* | 12 | 5Â % | 0.45 |
Non-Vital (319) | 78 | 24Â % | Â | 13 | 4Â % | Â | |
Opposing tooth | Yes (513) | 150 | 29Â % | 0.57 | 24 | 5Â % | 1.00a |
No (25) | 6 | 24Â % | Â | 1 | 4Â % | Â | |
Independent variable | Â | Incidence of pain after 1Â day | Incidence of pain after 7Â days | ||||
No (n = 382) | Yes (n = 156) | p-value | No (n = 513) | Yes (n = 25) | p-value | ||
Mean (SD) | Mean (SD) | Â | Mean (SD) | Mean (SD) | Â | ||
Age | Â | 46.9 (17.2) | 45.4 (16.1) | 0.36 | 46.5 (16.9) | 46.4 (17.9) | 0.97 |
Pre-operative pain intensity | Â | 1.7 (2.7) | 2.8 (3.2) | <0.01* | 2.0 (2.9) | 2.4 (2.8) | 0.57 |
Treatment time | Â | 52.5 (31.3) | 47.6 (28.4) | 0.09 | 50.7 (29.9) | 59.1 (42.9) | 0.34 |