The phrase "and therefore were eligible" is correct and usable in written English.
It can be used to indicate a conclusion or result based on previously stated information, often in formal or academic contexts.
Example: "The candidates met all the necessary qualifications and therefore were eligible for the position."
Alternatives: "and thus qualified" or "and consequently eligible".
Five hundred persons consecutively attending ZNBTS were selected for blood donation and, therefore, were eligible to be enrolled in the study.
29 Among the respondents, 16 478 provided complete information regarding PPI use and the reasons for it and therefore were eligible for our analysis.
From 2003 to 2009, we identified 21,705 subjects with HT onset, of whom 18,842 were ages 30 74 years and had no cardiovascular comorbid condition and, therefore, were eligible for inclusion.
After the inclusion and exclusion criteria were applied by the reviewers, 12 CEAs and CUAs were identified that reported cognitive outcome measures of behavior change and therefore were eligible for review.
A reasonable explanation is that a limited number of HP preparations actually tolerated the 1-hr period of ventilation-perfusion and, therefore, were eligible for the measurement of Kf2 and dKf; thus, data on dKf were limited and, presumably, lacked power to reveal such a difference (type b error).
Depending on the countries, unions have to reach a certain percentage of the vote, say 5%, to be legally considered as "representative', and therefore be eligible to participate in the "collective bargaining" with management.
On Thursday the Nascar executive vice president, Steve O'Donnell, said: "Tony Stewart has received all the necessary clearances required to return to all racing activities and therefore is eligible to compete this weekend at Atlanta Motor Speedway.
Proponents say genes isolated from the body are chemicals that are different from those found in the body and therefore are eligible for patents.
Jonathan Instone Dublin In reply to Mr Philip (Letters, last week), someone born and brought up in England, or anywhere else outside Ireland, but with an Irish parent or grandparent is regarded by the Irish constitution as eligible for Irish citizenship, and therefore is eligible to play for Ireland.
She added that the new Irish Prime Minister, Enda Kenny, would consider before the next European Union summit on March 24 whether he could make any further movement on aligning corporate tax, and therefore be eligible to receive an interest rate reduction.
This follows the Federal Reserve's Christmas Eve announcement that GMAC would be allowed to become a bank holding company, and therefore be eligible for TARP funds, even though the lender refused to disclose its capital position.
