| Registry classification |
HC |
BSF |
ACT |
PART |
ENV |
PER |
| Traditional CP registries |
18 |
47 |
21 |
1 |
19 |
6 |
| Regional collaborative CP registries |
8 |
3 |
2 |
0 |
1 |
0 |
| Subgroup of regional collaborative CP registries |
0 |
2 |
2 |
7 |
7 |
2 |
| CP surveillance programs |
3 |
1 |
2 |
0 |
1 |
1 |
| National health surveillance programs for CP |
1 |
12 |
6 |
1 |
3 |
1 |
| Government sponsored registries |
16 |
12 |
4 |
2 |
13 |
2 |
| Local surveillance groups |
5 |
1 |
1 |
0 |
0 |
0 |
| Total for region
(% of 177 articles) |
51
(29%) |
78
(43%) |
38
(22%) |
11
(6%) |
44
(25%) |
12
(7%) |
