Sentence examples for difficult to establish with confidence from inspiring English sources

For example, data on PPE use and extent of exposure to individual MERS-infected patients was difficult to establish with confidence.

This small sample size limited our statistical power and makes it difficult to establish, with confidence whether differences in hospital characteristics such as nurse staffing ratios or hospital location are significant.

"With the situation in the Jenin refugee camp changing by the day, it will become more and more difficult to establish with any confidence or accuracy the 'recent events' that took place there".

An authoritative death toll was also difficult to establish, with officials at the Najaf Hospital refusing any comment to the media.

In all retail, the secret of success is repeat business, which is very difficult to establish with trend-conscious buyers.

The number of aerodromes that support GA in the UK is difficult to establish with certainty.

Userkaf's mortuary temple layout and architecture is difficult to establish with certainty.

With no census figures on the population, and unexpectedly high voter registration, it will be difficult to establish confidence in the turnout rate, which would help to affirm the strength of the winner's mandate, a delegation from the National Democratic Institute said in a pre-election statement.

It will make it more difficult to establish relations with them".

Being a public figure, it was difficult to establish relationships with that in the background.

For small wireless gaming companies, it is very difficult to establish relationships with the carriers.