Among them, 91 died during the study, or 29 percent.

其中有91人，即29%的人在研究期间去世。

youdao

A total of 9, 315 men and 5, 332 women died during the study period.

共有9315名男性和5332名女性在此期间内死亡。

youdao

The slowest walkers were nearly three times more likely to die during the study period than swifter walkers.

研究过程中，走路最慢的人死亡的可能性比走路快的人高出近三倍。

youdao

The vaccine did not lower the amount of virus in the blood of volunteers who became infected during the study.

VOA: special.2009.10.13

During the study period most countries had greater temperature changes from year to year than they have had historically.

VOA: special.2011.05.17

The other was its ability to reduce the amount of virus in the blood of people who became infected during the study.

VOA: special.2009.09.30

During the study, scientists from Wageningen University looked at trees near Wi-Fi hotspots for a three-month period.

FORBES: Wi-Fi Might Not Kill Trees After All

One test during the study involved analysis of the man's faeces and this revealed the presence of polio.

BBC: Silent polio carrier highlights risk

In all, 534 women had a breast cancer recurrence or died from breast cancer during the study period.

CNN: Soy may benefit breast cancer survivors, study says