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. 2025 Feb 19;11:e59483. doi: 10.2196/59483

Table 5. Analysis of video characteristics by usefulness.

Characteristics Useful group (n=105), median (IQR) Unhelpful group (n=31), median (IQR) P value
Duration (seconds) 46 (31-69) 76 (46-114) <.001
Number of likes 276 (131.50‐815.50) 6892 (585‐104,000) <.001
Number of comments 35 (17‐113.50) 1305 (130‐4103) <.001
Number of saves 47 (17-107) 748 (53‐4381) <.001
Number of shares 48 (10.50‐158) 1056 (50‐6071) <.001
Days since upload 365 (104.50‐675) 410 (151-538) .77
Global Quality Score 2 (1.50‐2) 1 (1‐1) <.001
DISCERN score 2 (2-3) 0 (0‐0) <.001