1. Based on the time it took to complete the surgery, you will be awarded with a certain time score. The faster you complete it, the higher your score will be.
2. This is the amount of hearts you had left after finishing the operation. Based on the amount of hearts you had left, you'll earn a certain score.
3. For every mistake made during the surgery, you will lose a heart. Mistakes count as a negative score, which will be deducted from your total score.
4. The difficulty multiplier will multiply your points based on the difficulty of the operation. Higher difficulties will result in a bigger multiplier. Every operation will also earn the player an additional amount of reputation.