Skip to main content

Table 1 Methods of aggregation for feasibility outcome measures

From: Daily versus every other day oral iron supplementation in patients with iron deficiency anemia (DEODO): study protocol for a phase 3 multicentered, pragmatic, open-label, pilot randomized controlled trial

Proportion

Method

Eligible participants consenting to participate

\(\frac{\#\;\text{meeting}\;\text{eligibility}\;\text{criteria}\;-\;\#\;\text{in}\;\text{whom}\;\text{consent}\;\text{not}\;\text{obtained}}{\#\;\text{meeting}\;\text{eligibility}\;\text{criteria}}\)  

Consenting participants receiving the allocated treatment

\(\frac{\#\;\text{consenting\;to\;treatment}\;-\;\#\;\text{not\;administered\;allocated\;treatment}}{\#\;\text{consenting\;to\;treatment}}\)

Treated participants completing 4- and 12-week laboratory tests

\(\frac{\#\;\text{completing}\;100\%\;\text{of\;weeks}\;4\;\text{and}\;12\;\text{lab\;tests}}{\#\;\text{consenting\;to\;treatment}}\)

Treated participants completing 4-, 8-, and 12-week side effect questionnaire

\(\frac{\#\;\text{completing}\;100\%\;\text{of\;weeks}\;4,\;8,\;\text{and}\;12\;\text{side-effect\;questionnaire}}{\#\;\text{consenting\;to\;treatment}}\)

Treated participants completing 4-, 8-, and 12-week FACIT-fatigue scale

\(\frac{\#\;\text{completing}\;100\%\;\text{of\;weeks}\;4,\;8,\;\text{and}\;12\;\text{FACIT-fatigue\;scale}}{\#\;\text{consenting\;to\;treatment}}\)

Treatment doses taken as per protocol based on pill count

\(\frac{\text{Total}\;\#\;\text{of\;doses}\;-\;\#\;\text{of\;missed\;doses}}{\text{Total}\;\#\;\text{of\;doses}}\)

Treated participants taking at least 90% of their prescribed doses

\(\frac{\#\;\text{of\;participants\;taking\;at\;least}\;90\%\;\text{of\;prescribed\;doses}}{\text{Total}\;\#\;\text{of\;treated\;participants}}\)

Treated participants requiring a step down in therapy

\(\frac{\#\;\text{of\;participants\;requiring\;a\;step\;down\;in\;therapy}}{\text{Total}\;\#\;\text{of\;treated\;participants}}\)