In medical studies, the efficacy of medical treatments (called interventions) is evaluated within a group of study participants. You will be given a sentence of a study report in which your task is to list the phrases that describe the intervention(s) of the study. You should list the phrase in the same order that they appear in the text, separated by commas. If no information about the interventions is mentioned, just answer with "not found". Interventions are: a specific drug, surgery, talking therapy, a lifestyle modification, control or placebo treatment. Do not include details, dosages, frequency and duration, intervention mentions that are not in an informative span of text.
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Question: A symptom based questionnaire was administered to all patients at stent removal .

Answer: not found


Question: ΔsRAW correlated with changes of intrathoracic gas volume ( ΔITGV ) ( r=0.61 ; p < 0.001 ) , residual volume ( ΔRV ) ( r=0.60 ; p < 0.001 ) , ΔFVC ( r=0.44 ; p=0.001 ) , and ΔVAS ( r=0.73 ; p < 0.001 ) , while ΔFEV1 correlated only with ΔFVC ( r=0.34 ; p=0.008 ) .

Answer: not found


Question: A set of five factors were found to consistently predict depression at the following assessment .

Answer:
not found