Table 1

Subjective scores for KCS patients

Grade Description
0No symptoms
1Symptoms were mild, and they did not make me uncomfortable
2Symptoms were moderate, they did make me uncomfortable, but they did not interfere with my activities
3Symptoms were severe, they did make me uncomfortable, and they did not interfere with my activities
4Symptoms were very severe, they did make me uncomfortable, and they did interfere with my activities