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Table 1 Demographics, clinical features, and EBP response rate in SIH and PDPH patients

From: Comparisons of clinical characteristics, brain MRI findings, and responses to epidural blood patch between spontaneous intracranial hypotension and post-dural puncture headache: retrospective study

Variables

SIH (nā€‰=ā€‰61)

PDPH (nā€‰=ā€‰44)

p-value

Age (years)

40 (33ā€“51)

38 (29.5ā€“53)

0.471

Gender

Ā Ā 

0.615

Male

24 (39.3%)

21 (47.7%)

Ā 

Female

37 (40.7%)

23 (52.3%)

Ā 

Symptom onset-diagnosis interval (days)

10 (6ā€“15)

4 (3ā€“10.5)

<ā€‰0.01

Time to occur a headache after sitting (minutes)

5 (1ā€“10)

8 (4ā€“10)

0.518

Headache intensity (0ā€“10)

7 (5ā€“9)

7 (6ā€“8)

0.651

Associated phenomena

Ā Ā Ā 

Nausea

32 (52.5%)

19 (43.2%)

0.317

Vomiting

15 (24.6%)

6 (13.6%)

0.240

Auditory symptoms

12 (19.7%)

3 (6.8%)

0.060

Dizziness

5 (8.2%)

3 (6.8%)

0.661

CSF opening pressure (cmH2O)

5.5 (3ā€“8) (nĀ =ā€‰40)

6.5 (4ā€“9) (nĀ =ā€‰22)

0.188

Hospitalization period (days)

7 (5ā€“9.25)

6 (4ā€“8.5)

0.087

Treatment

Ā Ā 

0.015

Conservative management

18 (29.5%)

24 (54.5%)

Ā 

EBP once

20 (32.8%)

14 (31.8%)

Ā 

EBP twice

17 (27.9%)

2 (4.5%)

Ā 

EBP three times

3 (4.9%)

4 (9%)

Ā 

EBP four times

3 (4.9%)

0 (0%)

Ā 
  1. spontaneous intracranial hypotension (SIH); post-dural puncture headache (PDPH); cerebrospinal fluid (CSF); epidural blood patch (EBP)
  2. Values are presented as the number of patients (%) or median (IQR)