Rise of public e-learning opportunities in the context of COVID-19 pandemic-induced curtailment of face-to-face courses, exemplified by epidural catheterization on YouTube.

Table 1 Questionnaire completion rate of the videos detected with level of significance regarding change during pandemic

		prepandemic	since pandemic	p-value
		n = 16	n = 12	p-value
procedural items		maximum 2 points
	CTG monitoring during procedure	0.57	0.04	0.051
	hygienic hand disinfection	0.19	0.63	0.055
	wearing sterile gloves	1.09	1.16	0.058
	puncture site selection	0.74	1.12	0.043
	needle guidance	0.57	1.57	> 0.001
	loss of resistance technique	0.56	1.36	0.005
	catheter insertion technique	1.07	1.69	0.009
	catheter insertion depth	0.29	0.90	> 0.001
	aspiration testing (CSF, blood)	0.26	1.09	0.001
	postinterventional vital monitoring	0.63	0.17	0.059
didactic items		maximum 5 points
	detailed process flows/work steps	2.35	2.87	0.060
	sensible order of content	3.73	3.98	0.029
	content related aspects of hygiene	2.28	2.67	0.033
	abbreviations avoided or explained	3.01	1.83	0.011
	referencing background information	1.26	0.98	0.029

Data presented as mean value of the achieved item score. With regard to the procedural items, 0–2 points could be awarded in the validated questionnaire, for the didactic items 0–5 points. Abbreviations: CTG, cardiotocography; CSF, cerebrospinal fluid

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