From: Porphyrins are increased in the faeces of patients with prostate cancer: a case-control study
Reference study | Study type | Control group (mean ± SD) | Case group (mean ± SD) | Confidence Level | Power | Calculated sample |
---|---|---|---|---|---|---|
Study of Protoporphyrin IX Elimination by Body Excreta: A new Noninvasive Cancer Diagnostic Method. [6] | Experimental (Prostate cancer) | 0.72 ± 0.12 | 2.73 ± 0.51 | 99% | 90% | 4 |
Concentration of protoporphyrin IX in cancer tissues and blood in patients with colorectal cancer at early stage. [4] | Clinical (Colorectal cancer) | 0.58 ± 0.08 | 2.28 ± 0.10 | 99% | 90% | 2 |