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Table 2 The effects of treatment visit and other variables on treatment success

From: Treatment outcomes of single-visit versus multiple-visit non-surgical endodontic therapy: a randomised clinical trial

Variable Category Treatment Outcome Full model p-value Final model p-value
   Success No (Row %) Failure No (Row %)   
Treatment visit Single 104 (89 %) 13 (11 %) 0.764  
  Multiple 90 (87 %) 13 (13 %)   
Gender Male 74 (87 %) 11 (13 %) 0.980  
  Female 120 (89 %) 15 (11 %)   
Use of loupe Yes 99 (88 %) 13 (12 %) 0.470  
  No 95 (88 %) 13 (12 %)   
Arch Maxillary 130 (93 %) 10 (7 %) 0.015* 0.009*
  Mandibular 64 (80 %) 16 (20 %)   
Tooth position Anterior 46 (94 %) 3 (6 %) 0.855  
  Posterior 148 (87 %) 23 (13 %)   
Number of canal Single 82 (92 %) 7 (8 %) 0.159  
  Multiple 112 (85 %) 19 (15 %)   
Apical periodontitis Yes 107 (83 %) 22 (17 %) 0.021* 0.010*
  No 87 (96 %) 4 (4 %)   
C-shaped canal Yes 4 (100 %) 0 (0 %) 0.999  
  No 190 (88 %) 26 (12 %)   
Periodontal pocket Yes 26 (81 %) 6 (19 %) 0.247  
  No 168 (89 %) 20 (11 %)   
Tooth vitality Vital 35 (95 %) 2 (5 %) 0.862  
  Non-vital 159 (87 %) 24 (13 %)   
Tooth mobility Yes 7 (88 %) 1 (13 %) 0.365  
  No 187 (88 %) 25 (12 %)   
Opposing teeth Missing 6 (100 %) 0 (0 %) 0.804  
  Sound 136 (89 %) 17 (11 %)   
  Filled 36 (84 %) 7 (16 %)   
  Crown 16 (89 %) 2 (11 %)   
Tender to percussion Yes 95 (87 %) 14 (13 %) 0.128  
  No 99 (89 %) 12 (11 %)   
Abscess or sinus tract Yes 35 (83 %) 7 (17 %) 0.655  
  No 159 (89 %) 19 (11 %)   
Preoperative pain Yes 74 (93 %) 6 (8 %) 0.086  
  No 120 (86 %) 20 (14 %)   
Length of root canal filling Adequate 162 (90 %) 19 (10 %) 0.242  
  Overfilling 28 (85 %) 5 (15 %)   
  Underfilling 4 (67 %) 2 (33 %)   
Density of root canal filling Adequate 182 (90 %) 21 (10 %) 0.039*  
  Inadequate 12 (71 %) 5 (29 %)   
Postoperative restoration Intra-coronal 62 (89 %) 8 (11 %) 0.927  
  Extra-coronal 132 (88 %) 18 (12 %)   
Postoperative pain within 1 week Yes 34 (92 %) 3 (8 %) 0.943  
  No 160 (87 %) 23 (13 %)   
Age [Mean (SD)]   46.07 (14.23) 48.65 (12.75) 0.535  
Preoperative pain intensity [Mean (SD)]   1.64 (2.64) 1.15 (2.46) 0.653  
  1. (Full and final multiple logistic regression) (n = 220)
  2. *p < 0.05