International Journal of Implant Dentistry

Table 1 Descriptive statistics of the sample

From: Relation between insertion torque and tactile, visual, and rescaled gray value measures of bone quality: a cross-sectional clinical study with short implants

Variable	Frequency	Mean	SD	95% confidence interval
Patient	20
Sex (female)	12
Age (years)		52	12	[46–58]
Implant per arch
Maxilla	22
Mandible	22
Implant per region
Premolar	10
Molar	34
Insertion torque
< 15 N cm	17
15 to 35 N cm	15
> 35 N cm	12
Tactile evaluation
Bone type 1	1
Bone type 2	8
Bone type 3	21
Bone type 4	14
CT visual evaluation
Bone type 1	1
Bone type 2	5
Bone type 3	16
Bone type 4	11
CT mean gray values
ROI axial		1581	241	[1499–1664]
ROI coronal		1560	220	[1485–1636]
ROI sagittal		1373	205	[1303–1443]
Average of ROIs		1505	206	[1434–1576]

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