Clinical and statistical observations were performed on 744 cases of neonates which were admitted in the nursery, Kyungpook National University Hospital, during the 3 years from January 1973 to December 1975.
The results were as following:
1) Sex ratio of male to female was 1.02 : 1.
2) The mortality rate of neonates was 19.1 per 1000 neonates, and the majority of neonatal deaths was low birth weight neonate (78.6%) and no sex difference.
3) The causes of deaths in order of frequency were prematurity (42.9%), respiratory disease (21.4%), congenital anormalies (21.4%), birth injury (7.1%), and unknown causes (7.1%).
4) Gestational period of the neonates was as following;
under 38 weeks: 101 cases (13.65yo) between 38 weeks and 42 weeks: 594 cases (79.851/o) above 42 weeks: 49 cases (6.6%)
5) The percentage distribution was 15.25% for 2, 500gm or less (16.8% in male, 13.696 in female), 81.8% for 2, 500gm4, 000gm, and 3.0% for 4, 000gm or above.
6) Estimation of growth datas in neonates was as following;
Weight: 3.28kg in male, 3.19kg in female
Height: 50.8cm in male, 50.6cm in female
Head circumference; 34.Ocm in male, 33.8cm in female
Chest circumference: 32.5cm in male, 33. 7cm in female
7) The incidence of the neonatal jaundice was 63.49/5 of all neonates and no differences in weight and sex respectively.
8) The incidence of twin pregnancy was 3.0% and sex ratio was 1.1 : 1 in male preponderance.
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