Table 4 Regression model predicting variability in response rates in placebo groups of clinical trials; n = 97 Studies, with prevention trials excluded; formal and diagnostic variables (ICD Coding); italics: different from full model
Beta | t (DFs = 91) | p-value | |
|---|---|---|---|
Constant | 10.3 | <0.000001 | |
Disorders due to substance abuse (F1) | -0.31 | -3.57 | 0.0006 |
Affective disorders (F3) | 0.37 | 4.49 | 0.00002 |
Nervous diseases (G) | -0.20 | -2.40 | 0.018 |
Digestive diseases (K) | 0.29 | 3.65 | 0.0004 |
Diseases of the urigenital system (N) | 0.16 | 2.09 | 0.039 |