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Table 5 Difference between the width of the ICS and the diameter of different needles for 5-year-old children, mean ± standard deviation and minimum, all measurements in cm

From: Determining optimal needle size for decompression of tension pneumothorax in children – a CT-based study

Diameter Length 4. ICS AAL
Mean (SD) Minimum
24G 0.09 cm 2.5 cm 0.69 ± 0.22 0.28
22G 0.11 cm 3.2 cm 0.67 ± 0.22 0.26
20G 0.13 cm 4.5 cm 0.65 ± 0.22 0.24