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Table 5 Lumbar CSF pressure parameters for verified IIH cases with favourable or unfavourable outcome

From: Cerebrospinal fluid dynamics in idiopathic intracranial hypertension: a literature review and validation of contemporary findings

  Favourable outcome (N = 21) Unfavourable outcome (N = 14)  
Lumbar CSF pressure parameter Median (IQR) Median (IQR) p
Mean CSF pressure (mmHg) 20.7 (8.0) 18.7 (9.3) 0.419
AMP (mmHg) 4.6 (5.6) 3.0 (7.6) 0.973
SLOW (mmHg) 1.0 (1.0) 1.0 (1.1) 0.727
RESP (mmHg) 0.9 (0.7) 0.8 (0.4) 0.987
RAP index 0.82 (0.27) 0.79 (0.48) 0.219
RPPC1 0.53 (0.33) 0.47 (0.22) 0.366
P0 (mmHg)1 9.6 (3.5) 11.7 (5.1) 0.228
  1. All p values from Mann–Whitney U tests comparing the two groups
  2. IQR interquartile range
  3. *Not normally distributed
  4. 1N = 17 favourable outcome, N = 10 unfavourable outcome