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Table 6 Radiographic anatomical data in the lateral view taken at the different periods of healing. Data in millimeters or square millimeters only for the virtual mucosa area

From: Involvement of the maxillary sinus ostium (MSO) in the edematous processes after sinus floor augmentation: a cone-beam computed tomographic study

  Mean SD IQR Min-max p50** p*
Virtual mucosa area
 T0 61.75 77.87 61.29 7.33–397.71 24.25a 0.0001*
 T1w 289.54 240.34 380.18 7.31–970.39 214.86ab  
 T9m 59.16 89.26 46.85 8.8–575.94 25.08b  
Mesial vertical extension above (+) or below (−) the Z-axis
 T1w 11.87 9.72 17.77 − 5.73–30.02 12.23 0.0001***
 T9m 2.194 5.49 8.02 − 6.75–1839 0  
Distal vertical extension above (+) or below (−) the Z-axis
 T1w 12.38 9.87 15.12 − 7.03–36.03 11.67 0.0001***
 T9m 2.032 5.40 5.38 − 7.49–19.03 0  
 T1w 10.34 9.52 16.21 − 1.71–30.28 8.66 0.0001***
 T9m 22.64 7.16 9.80 2.03–34.65 24.44  
  1. SD standard deviation, IQR interquartile range CBCTs taken at T0 (before surgery), at T1w (1 week after surgery), and at T9m (9 months after surgery)
  2. *Friedman test, p < 0.05 significant
  3. **Nemenyi test post hoc: equal letters significant differences p < 0.05
  4. ***Wilcoxon test p < 0.05 significant