Table 1.
Demographics, clinical features, and EBP response rate in SIH and PDPH patients
| Variables | SIH (n = 61) | PDPH (n = 44) | p-value |
|---|---|---|---|
| Age (years) | 40 (33–51) | 38 (29.5–53) | 0.471 |
| Gender | 0.615 | ||
| Male | 24 (39.3%) | 21 (47.7%) | |
| Female | 37 (40.7%) | 23 (52.3%) | |
| Symptom onset-diagnosis interval (days) | 10 (6–15) | 4 (3–10.5) | < 0.01 |
| Time to occur a headache after sitting (minutes) | 5 (1–10) | 8 (4–10) | 0.518 |
| Headache intensity (0–10) | 7 (5–9) | 7 (6–8) | 0.651 |
| Associated phenomena | |||
| 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 (3–8) (n = 40) | 6.5 (4–9) (n = 22) | 0.188 |
| Hospitalization period (days) | 7 (5–9.25) | 6 (4–8.5) | 0.087 |
| Treatment | 0.015 | ||
| Conservative management | 18 (29.5%) | 24 (54.5%) | |
| EBP once | 20 (32.8%) | 14 (31.8%) | |
| EBP twice | 17 (27.9%) | 2 (4.5%) | |
| EBP three times | 3 (4.9%) | 4 (9%) | |
| EBP four times | 3 (4.9%) | 0 (0%) |
spontaneous intracranial hypotension (SIH); post-dural puncture headache (PDPH); cerebrospinal fluid (CSF); epidural blood patch (EBP)
Values are presented as the number of patients (%) or median (IQR)