Table 3.

Primary estimand attributes (n = 81)

Population	n (%)
Defined correctly	29 (35.8)
No (did not attempt to define)	17 (21.0)
No (not correctly defined)a	35 (43.2)
Treatment
Defined correctly	36 (44.4)
No (did not attempt to define)	45 (55.6)
Endpoint
Defined correctly	59 (72.8)
No (did not attempt to define)	21 (25.9)
No (not correctly defined)b	1 (1.2)
Summary measure
Defined correctly	44 (54.3)
No (did not attempt to define)	37 (45.7)

^aEstimand population defined as analysis population

^bTime point for assessment not given