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Table 1 Characteristics of the study group

From: Patients’ appreciation of pre-implant augmentation of the severely resorbed maxilla with calvarial or anterior iliac crest bone:a randomized controlled trial

 

Total group

Calvarium group

Anterior iliac crest group

Comparing groups

n = 20

n = 10

n = 10

Test statistic

p-value*

Sex

   

Pearson-χ2-test

 

 Male

9

5

4

0.202

1.000

 Female

11

5

6

  

Number of implants placed

     

 Participants with 4 implants

10

8

8

  

 Participants with 6 implants

10

2

2

  

Number of implants lost

2

1

1

  
 

Median (IQR)

Median (IQR)

Median (IQR)

Mann-Whitney U

Age at implant placement (years)

65.4 (56.4;71.1)

68.4 (54.6;72.7)

63.5 (56.5;69.3)

41.000

.529

Time between augmentation and implant placement (days)

133 (126;145)

140 (131;152)

126 (119;133)

17.500

.011

  1. Results are presented as the number or the median (interquartile ranges: IQR)
  2. *Exact sig. (2-sided)