How Many Pain Ratings Are Really Needed in Clinical…

How Many Pain Ratings Are Really Needed in Clinical Trials? New Research Offers an Answer Pain is one of the most important outcomes measured in clinical trials. But how often should patients rate their pain to provide the most accurate picture without creating unnecessary burden? A new study suggests that collecting pain ratings over at least three to four days may provide the best balance between accuracy and practicality. Pain levels can vary significantly from day to day. Relying on a single pain score may not fully reflect a patient's experience and could make it harder for researchers to de