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].
Haddad et al. BMC Pregnancy and Childbirth 2012 12:101 doi:10.1186/1471-2393-12-101