Table 3 Comparison of participant optic nerve sheath diameter, by plane of measurement, pre-lumbar puncture compared to post-lumbar puncture, for participants with elevated intracranial pressure (opening pressure > 25 cm)
From: Ultrasound measurement of optic nerve sheath diameter pre- and post-lumbar puncture
Average diameter (PRE) | Average diameter (POST) | Delta | p | 95% CI | |
|---|---|---|---|---|---|
Left eye Transverse | 5.228571 | 4.4 | 0.8285714 | 0.0452 | 0.0245 to 1.2626 |
Left eye sagittal | 5.257143 | 4.814286 | 0.442857 | 0.2336 | − 0.3754 to 1.2612 |
Left eye (averaged ONSD) | 5.242857 | 4.607143 | 0.6357142 | 0.0293 | 0.0894 to 1.1820 |
Right eye transverse | 4.785714 | 4.8 | − 0.0142856 | 0.9696 | − 0.8939 to 0.8654 |
Right eye sagittal | 5.4 | 5.016667 | 0.3833 | 0.2701 | − 0.4115 to 1.1782 |
Right eye (averaged ONSD) | 5.008333 | 4.891667 | 0.1166666 | 0.7165 | − 0.6635 to 0.8968 |