As is evident from Table 4, each of the three FISH predictors, P1, P2 and P3 added prognostic value to that of each histological grade in the common tripartite grading system.
Toxicity was evaluated for eligible patients according to the May 1998 revision of the National Cancer Institute (NCI) common toxicity criteria grading system.
We included the National Cancer Institute (NCI) Common Toxicity Criteria Grading System to describe the severity of AEs or toxicities whenever they were mentioned in the original articles; higher grades denoted greater severity of toxicity [ 31] (Table 2).
The Gleason grading system is the most common scheme for classifying the histological grading of prostate cancer [ 33].
The WHO grading system, which is the most common method for categorising bleeding severity in platelet transfusion trials [10, 19, 20], categorises bleeding episodes as grade 1 (mild), grade 2 (moderate), grade 3 (severe, requiring red blood cell (RBC) transfusion within 24 h) or grade 4 (debilitating or life-threatening).
Secondly, the existing tools frequently used for EBM such as the OCEBM grading system, were mainly designed for common disorders rather than rare diseases.
For grade (from now on referred to as GRADE), the Gleason Grading system was used, which is based on the most common and second most common architectural patterns of the glands of the tumor [ 39].
When using the modified grading system by Korolainen and Ruohoniemi [ 5], a sand accumulation of grade 1 or 2 was a common finding in the control group, whereas most of the clinical cases with sand impaction had much larger accumulations, as reflected in the higher grade.
Some questioned the grading system.
"I'm all for the grading system.
