UJI 13-1802A. Measure of the loss of a chance.

Provided, however, for the loss of a chance for [a better outcome to a medical problem], [survival], [__________________ (other)], while you must (1) first determine total damages for the [loss of limb], [loss of life], [__________________ (other)] under the above-listed elements, you then must (2) base your award on a percentage representing the lost opportunity to avoid [loss of limb], [loss of life], [__________________ (other)]. The valuation of lost chances is necessarily imprecise; the value of the loss may be established by fair approximations, by numbers or verbal descriptions, from which you will arrive at a percentage to apply to the total damages.