Distribution by tweet types
| Type of Tweet | Frequency |
|---|---|
| Fellows' Journal Club | 19 |
| Editor's Choice | 11 |
| Tweet Chat | 122 |
| Case | 200a |
| Article | 384 |
| Blog | 159 |
| Other | 137 |
↵a 186/200 “Case” tweets had a high engagement rate. χ2 analysis of “Case” (200) versus remaining Tweet types (832) showed a significantly higher engagement rate (P < .001; odds ratio, 140.238 [95% CI, 77.387–254.133]).