Column headings	Total number of highest occurrence heading name variant	Total number of occurrences of a column heading	Fraction of highest occurrence heading name variant
1.	Type of study	6	6	100
2.	Study status	5	7	71
3.	No. of Centers and Countries	12	18	67
4.	Phase	6	9	67
5.	Study endpoints	12	21	57
6.	Study population	18	36	50
7.	Test product(s)	3	7	43
8.	Treatment Duration/⁠Follow Up	10	28	36
9.	Trial Design	14	43	33
10.	No. of patients enrolled	13	40	33
11.	Regimen/schedule/route	14	43	33
12.	Trial identity	11	42	26
13.	Objective(s) of the Study	3	12	25