Skip to main content

Table 3 Clinical Characteristics According to the Presence of PLPH

From: No effect of recumbency duration on the occurrence of post-lumbar puncture headache with a 22G cutting needle

  PLPH Yes (n = 22) PLPH No (n = 48) P Value
  n (%) or Mean ± SD n (%) or Mean ± SD  
Sex, Female 7 (31.8%) 20 (41.7%) 0.598
Age (year) 50.7 ± 14.2 52.8 ± 13.7 0.545
Drainage amount (mL) 24.5 ± 12.9 23.6 ± 8.3 0.747
Opening pressure (cm H20) 12.9 ± 5.1 13.0 ± 5.8 0.968
Closing pressure (cm H20) 10.9 ± 4.3 10.2 ± 5.7 0.764
Experience of PLPH    
   Yes 4 (57.1%) 2 (11.8%) 0.038
   No 3 (42.9%) 15 (88.2%)  
Physician    
   Intern 1 (5%) 2 (4.3%) 1.000
   First-year Resident 18 (85%) 43 (91.4%)  
   Second-year Resident 1 (5%) 2 (4.3%)  
LP attempts    
   1 17 (77.3%) 34 (72.4%)  
   2 3 (13.6%) 6 (12.9%) 1.000
   3 2 (9.1%) 5 (10.5%)  
   4 0 1 (2.1%)  
   7 0 1 (2.1%)  
Leukocytosis in CSF (WBC > 5 mm3) 4 (18.2%) 10 (20.8%) 0.797
Chronic headache before LP    
   Yes 6 (27.3%) 1 (2.1%)  
   No 16 (72.7%) 47 (97.9%) 0.003
  1. LP = Lumbar Puncture; PLPH = Post Lumbar Puncture Headache
  2. Significant parameters are shown in bold.