Table 7.

Scoring for clinical trials based on in-house grading scale (0–24 points).

Quality of trial based on assigned scale	Frequency (N)	Percent (%)	Cumulative Percent
Very poor quality clinical trials (6 and below, i.e., negative value)	25	33.8	33.8
Poor quality clinical trials[7–12]	25	33.8	67.6
Acceptable quality clinical trials[13–18]	14	18.9	86.5
Good quality clinical trials[19–24]	10	13.5	100.0
Total	74	100.0