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Table 2 Comparison of participant optic nerve sheath diameter, by plane of measurement, pre-lumbar puncture compared to post-lumbar puncture for all participants

From: Ultrasound measurement of optic nerve sheath diameter pre- and post-lumbar puncture

 Average diameter (PRE)Average diameter (POST)Deltap95% CI
Left eye Transverse5.− 0.0088 to 0.5959
Left eye sagittal5.024.720.30.03180.028 to 0.572
Left eye (averaged ONSD)5.064.760.2970.00370.1039 to 0.4896
Right eye transverse4.844.86− 0.020.8873− 0.3451 to 0.2999
Right eye sagittal5.044.820.2230.0747− 0.0237 to 0.4703
Right eye (averaged ONSD)4.924.840.8670.5042− 0.1754 to 0.3488