"outcomes were determined" is a perfectly correct and usable phrase in written English.
You could use it to describe the results of a process or decision, such as a scientific experiment or a court ruling. For example: "The jury deliberated for several hours, and in the end, the outcomes were determined."
From Lyndon B. Johnson's TV demolition of Barry Goldwater, to the infamous Willie Horton spot, the annals of our electoral politics are rife with examples of elections whose outcomes were determined by negative advertising campaigns.
Prenatal diagnoses and pregnancy outcomes were determined.
The outcomes were determined from clinical or radiographic evaluations.
Outcomes were determined by the results of surgery and pathologic examination or clinical follow-up.
Finally, experimental outcomes were determined using the CGH test and autocollimation.
Clinical outcomes were determined from high-resolution three-dimensional computed tomography (3D-CT) images and histological findings.
Objective outcomes were determined 3 months after the operation with single-channel cystometrograms performed while subjects were standing.
Radiographic outcomes were determined by preoperative, post-operative as well as biannual radiographs after surgery; these included a standing anteroposterior view of the pelvis.
The clinical outcomes were determined using the KOOS, IKDC-subjective, Tegner Lysholm Knee, and VAS pain scales taken pre-operatively and at 12 months follow-up.
Learning outcomes were determined from student projects and formative assessment was used to help students recognize their strengths and weaknesses as they developed course competencies.
Three a priori outcomes were determined: (1) neurocognitive test scores, (2) total symptom scores (TSS), and (3) increase in individual symptoms.
