The average duration of treatment in the trial was 33 months.

The average duration of the video lectures is 90 minutes per week.

Their average duration is five to fifteen minutes, with some exceptions.

The average duration of a bike rental is 23 minutes.

The average duration of a ride is just over 1 minute.

Estimated in this way its average duration is 280 days.

The average duration of their disease was 12 years (range 1 to 32).

Since 1978, this has happened eight times, with an average duration of 7.5 months.

The average duration of the bonds in the portfolio is often reported.

The average duration of the syndrome in humans is 3 to 6 days.