Figure 2.

Classification of 16,397 original articles published in 12 representative peer-reviewed orthopedic and general surgery journals. Panel A: Percentage of publications with "positive" (n = 12,251; 74%), "negative" (n = 2,709; 17%), and "neutral" data (n = 1,437; 9%). Panel B: Percentage of publications reporting "significant" (n = 14,960; 91%) versus "non-significant" results (n = 1,437; 9%).