Table 1: Demographics of Patients with Retinitis Pigmentosa

Variables

Values

Sex, number (%)

Male

Female

10 (43%)

13 (57%)

History of Headache, Number (%)

Yes

No

15 (65%)

8 (35%)

Age (y), Mean ± SD* (Range)

41 ± 12.7 (25-67)

BMI (Kg/m2), Mean ± SD (Range)

27 ± 4.5 (21.3-40.2)

MRI findings: Minor signs of increased ICP§

100% of patients showed 2 or more signs

Vitamin A Serum level, number (%)

Normal

Abnormal

20 (85%)

3 (15%)

Vitamin D, serum level, Mean ± SD (Range), ng/ml||

21.4 ± 12.6 (5.8-39)

Vitamin B12, serum level, Mean ± SD (Range), pg/ml#

271 ± 150 (45-573)

ICP, Mean ± SD (Range), mmH2O**

250 ± 81 (170-490)

SD*: Standard Deviation; BMI: Body Mass Index; MRI: Magnetic Resonance Imaging; ICP§: Intracranial Pressure; ng/ml||: Nanogram/milliliter; pg/ml#: Picogram/milliliter; mmH2O**: Millimeter of Water.