Ain-Shams Journal of Anesthesiology

Table 2 Comparison between spinal anesthesia techniques between two groups of study

From: Comparison of post-spinal back pain after midline versus paramedian approaches for urologic surgeries

Variables	Median, n = 76	Paramedian, n = 63	P value
Try
One	56 (73.7%)	35 (55.6%)	0.025
Two	20 (26.3%)	28 (44.4%)
Injection site
L3–L4	41 (53.9%)	25 (39.7%)	0.094
L4–L5	35 (46.1%)	38 (60.3%)
Parestesia	1 (1.3%)	2 (3.2%)	0.590
CSF
Clear	75 (98.7%)	63 (100.0%)	(> 0.999)
Bloody	1 (1.3%)	0 (0.0%)

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