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Table 22 CSF pressure is dependent on the caliber of the needle used for puncture

From: S1 guidelines “lumbar puncture and cerebrospinal fluid analysis” (abridged and translated version)

Author

Subjects (n)

Population

Needle

Median

SD

Range

2.5

97.5

    

mmH2O

[58]

31

Students, healthy

22 und 26 G

145 (22G); 157 (26G)

37 (22G); 36 (26G)

85 -230 (22G); 80 – 240 (26G)

40 (22G); 50 (26G)

250 (22G); 260 (26G)

[188]

354

Neurological diseases without increased intracranial pressure

20 and 22 G, atraumatic

170

 

90-280

100

250