1. Are you here for follow-up?
0 = no
1 = yes

2.Is one of the reasons that you are here that you are having difficulty with breathing?
0 = no
3 = yes

3. Is one of the reasons that you are here that you are having cough for more than two weeks?
0 = no
6 = yes

1 = 0
2 = 1
3 = 2-5
4 = 6-10