Sentence examples for period for controls from inspiring English sources

All participants underwent neurobehavioral evaluations at baseline and at 4-months after PAP initiation, or an equivalent time period for controls.

To generate clinical and control groups of approximately equal size, the study period for controls was restricted to a period extending from December 2004 to June 2005.

The length of each pregnancy averaging period for controls was the same as for their matched case: Averaging periods for each autistic risk set were truncated at the gestational age of the matched case at birth.

Participants also completed a Food Frequency Questionnaire (FFQ) that queried on frequency and portion size for 125 foods and beverages including beer, red wine, white or rose wine, and liquor and mixed drinks consumed during the 12 months before diagnosis for cases and a comparable period for controls.

(a) Average cell migration distance at the rigidity boundary over a 12-hour period for control PSCs, PSCs transfected with siRNA for FAK, and PSCs treated with blebbistatin.

We should stress here that the degree of spontaneous acrosome reaction during the incubation period for control and capacitated sperm was less then 3%, as has been reported previously (for review see [21] and see Fig. S1).

Three patients were receiving short-acting insulin during the study period for control of hyperglycaemia and were excluded from the evaluation of blood glucose concentrations (leaving 16 subjects for blood glucose data analysis).

Expression data from each time period for control and stressed plants also were compared to each other using the Pearson product moment to generate a matrix of similarity and scatterplots.

The lengths of second trimester and entire pregnancy averaging periods for controls were the same as for their matched case, i.e. these averaging periods for a preterm birth risk set were truncated on the gestational age of the case at birth.

The recruitment period began September 11, 2006, was completed for vaccinees at the end of October 2006, and a second brief recruitment period for infectivity controls occurred during the month of January 2007.

Exposures refer to the 2 weeks before symptom onset for cases and the same 2-week period for matched controls.