'at the stage' or 'in the stage'

English as a Second Language English Vocabulary, Grammar and Idioms
1

Hello

1.Which is correct ‘in this stage of the disease’ or ‘at this stage of the disease’?

2.Is this sentence correct?- The parameter was determined in all groups of the patients including the control one.

Thanks

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2

  1. depends on the overall contexct, but most commonly ‘at this stage’ would be correct.

  2. I would slightly revise it:
    The parameter was determined in all groups of patients, including the control group.

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3

The product is at/in the design stage.
In/at one stage it looked as though they would win.
What is the difference between them.

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4

In the second of those sentences only ‘at’ is correct.

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5

Here you will find more collocations with the word ‘stage’ here: How well do you know collocations with 'stages'?

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