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Table 5 Factors associated with overall video quality based on senior surgeon assessment

From: Educational value of surgical videos on YouTube: quality assessment of laparoscopic appendectomy videos by senior surgeons vs. novice trainees

 

Moderate/good quality videos (n = 13)

Poor quality videos (n = 12)

p value

Binary logistic regression

Odds ratio

Number of visualizations [median(range)]

35,362 (9091–4,183,318)

14,228 (6500–74,728)

0.148

 

Number of days online [median(range)]

1672 (574–2637)

2025.5 (395–2767)

0.552

 

Length (min) [median(range)]

6.45 (3.33–24.14)

5.14 (1.34–27.30)

0.494

 

Number of comments

[median(range)]

27 (0–457)

3 (1–30)

0.074

 

Number of likes

[median(range)]

124 (15–1941)

26.5 (9–107)

0.019

1.029 (1.00–1.05)

Number of dislikes [median(range)]

10 (0–181)

5 (0–16)

0.170

 

CVS score ≥ 5 [n (%)]*

10 (76.9)

5 (41.7)

0.111

 

GOALS score ≥ 20 [n (%)]*

8 (61.5)

6 (50)

0.695

 

Utility score [mean(SD)]

2.51 (0.68)

1.27 (0.58)

0.006

2.50 (2.35–17.95)

LAP-VEGaS conformity (%)[mean(SD)]

12.89 (4.95)

6.76 (2.44)

0.014

1.15 (1.08–2.11)

Presence of audio/written commentary

10 (76.9)

3 (25)

0.014

3 (1.59–6.5)

Description of preoperative data [n (%)]

5 (38.5)

0

0.999

 

Image quality

  

0.364

 

• Good

6(46.2)

3 (25)

 

• Poor

3(32.1)

6 (50)

 

• High definition

4(38.8)

3 (25)

 
  1. CVS critical view of safety, GOALS Global Operative Assessment of Laparoscopic Skills, LAP-VEGaS laparoscopic surgery video educational guidelines
  2. *Calculated on the mean of the three senior surgeons’ assessment