Out of these patients that you saw last week, how many had already seen
Categories
Value
Category
-999
missing
-777
not applicable
-666
don't know
0
1
2
3
4
5
6
7
8
9
10
12
15
16
17
20
30
32
33
35
40
50
54
90
777
NOT APPLICABLE
888
DON'T KNOW
999
MISSING
101
.R
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.