Table 3.

The skin to muscle distance in relation to weigh

Weight limits and color coding as in Table 2. The full length minus 2 mm, due to the finding by Diacono et al. [7] that the full needle eye must pass the endomysium into the muscle and the full length minus 5 mm, i.e. 2 mm according to Diacono [7] and the proposed thickness of winter clothes, 3 mm, was used at calculation of skin to muscle distance. The risk of subcutaneous injection was calculated for both the longest and the shortest needle passing quality control