. 2020 Dec 1;15(12):e0243217. doi: 10.1371/journal.pone.0243217

Table 3. Continuous outcomes at summative assessment with univariate and baseline-adjusted analysis.

Variable	GoPro Led Feedback Group at summative assessment	Non-GoPro Led Feedback Group at summative assessment	Univariate p-value	Regression coefficient (B)	95% C.I. for B		Baseline-adjusted p-value
Variable	GoPro Led Feedback Group at summative assessment	Non-GoPro Led Feedback Group at summative assessment	Univariate p-value	Regression coefficient (B)	Lower	Upper	Baseline-adjusted p-value
Time to Intubation (sec)	85.3 (±70.4)	82.8 (±55.9)	0.874	2.557	-29.506	34.620	0.969
Laryngoscopy time (sec)	39.6 (±22.8)	33.8 (±17.8)	0.272	5.725	-4.606	16.057	0.418
Tube placement time (sec)	45.8 (±60.6)	48.9 (±46.8)	0.817	-3.169	-30.489	24.152	0.849
Number of subjects analyzed^a	(n = 34)	(n = 30)
Technique score (24-point)	19.4 (±4.13)	19.2 (±2.98)	0.837	0.191	-1.661	2.043	0.858
Preparation score (8-point)	6.52 (±1.42)	6.62 (±1.32)	0.764	-0.106	-0.804	0.593	0.884
Placement score (9-point)	7.30 (±1.85)	6.79 (±1.63)	0.257	0.510	-0.381	1.401	0.299
Post-intubation score (6-point)	5.12 (±1.50)	5.41 (±1.18)	0.400	-0.293	-0.984	0.399	0.366
Slickness score (100-point)	61.7 (±14.2)	60.0 (±14.1)	0.645	1.667	-5.529	8.862	0.631
Number of subjects analyzed^a	(n = 33)	(n = 29)
Difficult intubation: Time to Intubation (sec)	235.8 (±145.6)	141.0 (±86.7)	0.052	94.800	-1.005	190.605
Number of subjects analyzed^a ^b	(n = 10)	(n = 15)

Data presented as mean (±SD). Primary and secondary outcomes in bold.

^aReduced sample size due to missing data form technical fault during vantage camera video recording.

^bAnalysis only includes participants who successfully intubated difficult manikin