A virus has two variants P and Q. Two treatments L and M wer... — MSQ 2022

Question 172 MSQ 2022 Medium MSQ +3.00 marks · -0.20 negative

A virus has two variants P and Q. Two treatments L and M were developed against variant P and Q and tested through four independent trials. The table shows the results. Assuming that both variants are equally prevalent, and both treatments cost about the same, but a given patient can be treated with only one treatment, which of the options is/are true? Table: | Against variant P | Against variant Q | Total; Treatment L | 44 successes / 50 | 81 successes / 100 | 125 successes / 150; Treatment M | 94 successes / 100 | 31 successes / 50 | 125 successes / 150

Select all that apply.

A. If the patient is known to be infected by variant P, both the treatments will be equally effective B. If we can determine that the patient is infected by variant Q, treatment L has a higher chance of success C. If the variant that the patient is infected by is not known, then both the treatments can be equally effective D. If a hospital can stock only one of the two treatments, they should stock treatment L

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