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.

Q: Risk factors retained in the model included poor performance status , absolute neutrophil count < or =2.0 x 10 ( 9 ) cells/L in the previous cycle , the first cycle of chemotherapy , DOX versus PLD and advanced age .

A: not found
****
Q: In the men taking regular exercise serum cholesterol concentrations increased 26 % more in the high density lipoprotein subfraction two ( HDL2 ) and decreased 31 % more in the subfraction three ( HDL3 ) and 9 % more in the low density lipoprotein fraction than in the control group .

A: not found
****
Q: Non-inferiority was defined as an upper 95 % confidence limit ( CL ) for the difference in success of eradication in the amoxicillin and penicillin V treatment groups of < or=10 % .

A:
amoxicillin, penicillin
****
