1.   Higher grade of histological malignancy and stage IV disease were the only variables that influenced mortality.

2.   Stepwise regression analysis with stratification by age confirmed that colonic disease was the only variable that was significantly related to survival.

3.   The quality of the factor labour itself is perhaps the only variable that is both relevant and an individual attribute.

4.   The reverse could also be true, and mental state was actually the only variable which differentiated these patients from irritable bowel syndrome patients who responded satisfactorily to treatment.

5.   The language of the proposition is hardly the only variable that will determine the outcome.

6.   The only variable that changed statewide, officials said, was the implementation of the ranking system.

7.   The only other variable that might affect the takeoff is the weather.

8.   The only variable would be the artists themselves, their talents and their approach to the best country music ever written.

9.   The only variable, according to Olexa, is proportion of stock in stores.

10.   With South Africa going into the three-day meeting as the firm favourites, the only variable was the weather.