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Table 2 Reference vales for intracranial pressure and lumbar cerebrospinal fluid pressure in different body positions

From: Reference values for intracranial pressure and lumbar cerebrospinal fluid pressure: a systematic review

 

No. of studies

No. of participants

Mean (reference interval) [mmHg]

Mean (reference interval) [cmH2O]

ICP

 Supine

6

62

8.6 (0.9–16.3)

11.7 (1.2–22.2)

 Upright

6

62

1.0 (– 5.9 to 8.3)

1.3 (− 8.7–11.2)

 Daytime

2

45

− 0.1 (− 12.0–12.2)

− 0.15 (− 16.3–16.6)

 Nighttime

3

57

6.3 (-15.8–28.2)

8.6 (-21.5–38.3)

CSFop

 Supine

7

389

10.7 (5.7–15.5)

14.4 (7.5–21.1)

 Lateral recumbent

21

13,359

11.9 (7.2–16.8)

16.3 (9.8–22.8)