Choice of the correct needle length

Age of patient	Weigth (BMI)	Recommended needle length
		Without holding a skin fold		Holding a skin fold
Children younger  than 12, very slim  adults	all	6 mm		6 mm	8 mm
Adolescents  (12-18 years)	average	6 mm		8 mm
	overweigth*	6 mm	8 mm	8 mm	10 mm
adults	average	6 mm	8 mm	8 mm	10 mm
	overweigth*	8 mm	10 mm	10 mm	12 mm

 
*overweigth= (BMI>25)

• Injection technique
• Rate of insulin resorption
• Injection with Skin Fold
• Injection without Skin Fold
• Correct needle length