Anesthetic experience does not reduce accidental dural puncture in surgical patients: a retrospective case-controlled study

Table 3 Logistic regression analysis of accidental dural puncture

	OR	[95% CI]	P-value	Adjusted OR^a	[95% CI]	P-value
Endocrine diseases	5.50	[1.33–22.8]	0.02	5.18	[1.51–26.4]	0.02
Foreign patient	8.77	[0.94–81.7]	0.06	12.1	[1.16–127.0]	0.04
Experience of the anesthesiologist (years)	0.99	[0.94–1.03]	0.70	0.99	[0.94–1.03]	0.71
Number of attempts	1.83	[1.11–3.04]	0.02	1.98	[1.10–3.56]	0.02

Adjusted OR: OR adjusted for the number of epidural puncture attempts and the experience of the anesthesiologist. Abbreviations: CI Confidential interval, OR Odds ratio

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