Table 2.

In- and ex-clusion criteria

Inclusion	Exclusion
• Animal study	• Bony defects or Distraction osteogenesis
• Bone fracture of the appendicular skeleton
• Aim of the study to quantify bony union with micro CT, quantitative CT, multidetector CT, cone beam CT, or clinical CT	• Follow-up period < 4 weeks
	• Data have been published before
• The relation between CT and histological or mechanical testing is statistically assessed	• Review article
	• Full text not available
• Article in English, Spanish, German, or Dutch