Table 1.
Distribution of cases and live births (LB) by cluster and according to geographical region of the country
| Region | Center | nc (or xα #) | LB in the network | LB in Brazil* |
|---|---|---|---|---|
|
Southeast nse= 2,794 (29.2%) |
1 |
48 |
37,865 (46.1%) |
1,130,407 (38.5%) |
| 2 |
59 |
|||
| 3 |
66 |
|||
| 4 |
74 |
|||
| 5 |
96 |
|||
| 6 |
112 |
|||
| 7 |
154 |
|||
| 8 |
155 |
|||
| 9 |
172 |
|||
| 10 |
186 |
|||
| 11 |
253 |
|||
| 12 |
369 |
|||
| 13 |
1050 |
|||
|
Northeast nne= 5,148 (53.9%) |
1 |
118 |
33,172 (40.4%) |
888,268 (30.3%) |
| 2 |
210 |
|||
| 3 |
263 |
|||
| 4 |
281 |
|||
| 5 |
294 |
|||
| 6 |
465 |
|||
| 7 |
566 |
|||
| 8 |
920 |
|||
| 9 |
945 |
|||
| 10 |
1086 |
|||
|
South ns= 939 (9.8%) |
1 |
98 |
4,532 (5.5%) |
371,497 (12.7%) |
| 2 |
841 |
|||
|
Midwest nmw= 609 (6.4%) |
1 |
609 |
2,527 (3.1%) |
222,658 (7.6%) |
|
North nn= 65 (0.7%) |
1 |
65 |
4,048 (4.9%) |
321,998 (11.0%) |
| Total (n) | 27 | 9555 | 82,144 | 2,934,828 |
Mean cluster size (na)= 354.
#Denominator of the expression of the ratio estimator.
*Data from SINASC (Brazil, 2011) [16].