The phrase "and which outcome" is correct and usable in written English.
It can be used when discussing multiple possibilities or results in a context where you are asking for clarification or elaboration on a specific outcome.
Example: "We need to evaluate the different strategies and which outcome would be most beneficial for the project."
Alternatives: "and what result" or "and which result".
To identify which patients benefit from, and which outcomes are prevented by, low-molecular-weight heparin, we did an individual patient data meta-analysis.
These differential effects may be important to consider when one is determining treatment goals and which outcomes to report in assessing treatment of GDM.
Review authors might also be influenced by how many and which outcomes to select according to how favourable results appear to be in the published trial reports.
We were also unsuccessful in our attempts to ascertain for certain studies whether outcome assessors were blinded, and which outcomes were automated by machines making the risk of bias within studies unclear.
For 13 reviews, authors gave input on which outcomes they expected to be measured for trials in their review and which outcomes they expected to be measured in routine clinical practice but did not classify each outcome due to time restrictions.
In the final part of modelling the intervention, we considered who was to deliver the intervention, the best setting for the delivery, and which outcomes we would use for the experimental trial.
We asked panels who the intervention should target, who should deliver it, at what intensity, in what format and setting, and using which outcome measures (Stage 3).
The task of the theorist is to consider the bargaining area and determine which outcome(s) would satisfy a number of reasonable requirements of a rational outcome of the negotiations.
Protocols should describe any retention strategies and define which outcome data will be recorded from protocol non-adherers.
Being stuck somewhere between those two places and totally unsure of which outcome you'll be left with can be overwhelming, alarming, and confusing.
