In medical studies, treatments are tested 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 give information about the participants of the study. You should list the phrases in the same order that they appear in the text, separated by commas. If no information about the participants is mentioned, just output "not found". Relevant information about participants include: gender, medical conditions, location, number of people participating. Do not contain participant mentions without relevant information.

Q: Also , the average number of wet nights in group 1 was significantly lower than at baseline ( p = 0.002 ) .

A: not found
****
Q: Patients had to have histologically documented measurable breast cancer and a performance status of 0-1 .

A: not found
****
Q: Using epigastric impedance we found that infants with partial or total intestinal obstruction had gastric phasic activity , which was not found in the control infants .

A:
infants with partial or total intestinal obstruction
****