Exhibit 4.
Topic Name | Correlation†, r | Covered by HCAHPS |
---|---|---|
Yelp topics most correlated with positive Yelp ratings | ||
Caring doctors, nurses, and staff | 0.46 | No |
Comforting | 0.29 | No |
Clean, private, nice hospital rooms | 0.25 | Yes |
Surgery/procedure and peri-op | 0.23 | No |
Labor and delivery | 0.20 | No |
Yelp topics most correlated with negative Yelp ratings | ||
Horrible hospital | −0.33 | Yes |
Rude doctor/nurse communication | −0.29 | Yes |
Pain Control | −0.28 | Yes |
Insurance and billing | −0.26 | No |
Cost of hospital visit | −0.26 | No |
SOURCE Authors’ analysis of Yelp reviews.
NOTES
If a topic was similar to an already listed topic it was removed and replaced by the next most associated topic.
All correlation coefficients are statistically significant at P < 0.0001.