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Table 1 Infant deaths (< 1 year) in Tohoku and Japan, 2002–2012, by cause and gender

From: Infant, neonatal, and postneonatal mortality trends in a disaster region and in Japan, 2002–2012: a multi-attribute compositional study

Japan Tohoku
Males Females Males Females
Rank Category (ICD) Freq. % Rank Category (ICD) Freq. % Rank Category (ICD) Freq. % Rank Category (ICD) Freq. %
1 SIDS 1068 6.4 1 Trisomy 18 986 6.9 1 SIDS 61 7.9 1 SIDS 38 5.8
2 Ill-defined and unknown cause of mortality 742 4.4 2 SIDS 740 5.2 2 Unspecified effects of drowning and nonfatal submersion 39 5.0 2 Trisomy 18 32 4.9
3 Trisomy 18 639 3.8 3 Ill-defined and unknown cause of mortality 512 3.6 3 Extremely low birth weight newborn 23 3.0 3 Severe neonatal asphyxia 19 2.9
4 Congenital hypoplasia and dysplasia of the lung 494 2.9 4 Congenital hypoplasia and dysplasia of the lung 360 2.5 4 Asphyxia 23 3.0 4 Congenital hypoplasia and dysplasia of the lung 19 2.9
5 Hypoplastic left heart syndrome 404 2.4 5 Extremely low birth weight newborn 346 2.4 5 Trisomy 18 22 2.8 5 Ill-defined and unknown cause of mortality 19 2.9
  All other 13,460 80.1   All other 11,270 79.3   All other 609 78.4   All other 527 80.6
  Total 16,807 100.0   Total 14,214 100.0   Total 777 100   Total 654 100.0
  1. Note. ICD International Classification of Diseases, SIDS sudden infant death syndrome