BIBLIOGRAPHIC INPUT SHEET TEMPORARY Patterns of mortality ...

200 Patternsof Mortality in Childhood
they were slightly lower than the total rates which each product of conception is examobtained
in the Investigation in the projects ined and the findings are analyzed in terms
in El Salvador and Monterrey. Since in the of fetal deaths as well as live births, since
WHO prospective study a record was made these anomalies of the nervous system may
for each birth and the data were restricted be found frequently in those dying before
to hospital births, and as sone of the in- delivery. At the same time the value of diffants
with anoinalies of the nervous system ferentiating the findings in those born alive
were living, the rates wouhl be exlpected to is stressed, since such data should be more
be higher than those for deceased infants in complete and comparable. Knowledge of
the general polluhttion, as in the ease of the the frequency of these anomalies in both
Investigation,
fetal deaths and live births is essential for
Trhe Investigation findings for Sher- studies of causation and hence for prevenbrooke,
Monterrey, and El Stlvador cer- tive measures.
tainly indicate an imiportant field for fur- In the California project, in two-thirds
ther research into speeific cause or causes, of the deceased infants with anomalies of
Moreover, tile results of the WHO study the central nervous system, anomalies of
indicate the valle of a prospective study in other systems were diagnosed also (Table
TAinx. Ill. Additional Congenital Anomalies in Association with Those of Central Nervous System
in Deceased Infants in 15 Projects.
Additional anomalies
Total Number
With with N1lusculo- Genito-
Project anomalies additional skeletal Digestive urinary
of alnalies ssytetem syeu-,I, y stern system
nervous 17 --756) (72. 753) (7i(, 747)
system _______ _______
Otherl"
No. " No. % No. No. % No. 17 No. %
Total .......... .... ..... 511 178 34.8 110 21.5 61 11.9 33 6.5 27 5.3 48 9.4
ARGENTI NA
Cliaco Province .......... 14 3 21.4 2 14.3 - - 1 7.1 - -
San Juan Province ....... 23 7 30.4 5 21.7 2 8.7 - - 2 8.7 - -
BOl.lVIA project......... 7 2 # 2 #----I #
IRAZIL
Recife ................. 30 11 30.0 0 10.7 3 8.3 1 2.8 3 8.3 1 2.8
aibeiro Prto........... 15 3 20.0 1 0.7 1 0.7 - 1- 0.7 1 0.7
Slo Paulo .............. 68 20 29.4 13 19.1 7 10.3 1 1.5 2 2.0 3 4.4
CANADA
Sherbrooke ............... 38 10 42.1 13 34.2 4 10.5 2 5.3 2 5.3 3 7.9
CIIIILE project ............ 47 21 44.7 10 21.3 7 14.0 2 4.3 2 4.3 10 21.8
COI.OM IlA
Call .................... 10 4 25.0 3 18.8 - - 0.2 1 0.2 2 12.5
Cartavena ............ 14 5 35.7 3 21.4 2 14.3 I 7.1 - - 1 7.1
Medellin................ 14 7 50.0 4 28.6 2 14.3 - - 1 7.1 1 7.1
El SA.VADOR project .... 58 12 20.7 II 19.0 2 3.4 4 6.0 1 1.7 2 3.4
JAMAICA
Kingston-St. Andrew ..... 30 0 30.0 0 20.0 4 13.3 3 10.0 1 3.3 3 10.0
MEXICO
Monterrey .............. 91 31 34.1 20 22.0 11 12.1 11 12.1 2 2.2 6 0.0
UNITEIM STATES
California project ....... 40 27 07.5 11 27.5 10 40.0 7 17.5 8 20.0 14 35.0
Categories 550, 551,524, 749-761.
, More than one anomaly of the digestive system and in the group termed "other" may he included.
V Per rent not cnlculated for base less thn 10.