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Progress in Orthodontics

Table 5 P values of the Pearson’s chi-squared test for sponsorship, commenter’s status, and comment classification

From: “My Invisalign experience”: content, metrics and comment sentiment analysis of the most popular patient testimonials on YouTube

 

P value

Positive sentiment

Negative sentiment

Sponsorship

0.55

< 0.001*

Commenter’s status

< 0.001*

< 0.001*

Overall comment

< 0.001*

0.03

Focus of concern

0.13

< 0.001*

Invisalign’s disadvantages

0.27

< 0.001*

  1. *Statistically significant at p < 0.05
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