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Table 4 Day of assessment and body composition

From: Neonatal body composition by air displacement plethysmography in healthy term singletons: a systematic review

Postnatal age at assessment Days (hours) after birth assessmentReference-No.Total sample size, nBirth weight, g (SD)Weight at assessment, g (SD)Fat-free mass, g (SD)Body fat, % (SD)Fat mass, g (SD)
D0 (0-24h)[20, 22, 25]a2883382 (454)3266 (442)2922 (364)10.3 (3.9)346 (160)
D1 (25-48h)[18, 20, 22]a5453332 (488)3254 (368)2923 (295)10.1 (3.9)331 (161)
D2 (48-72h)[20, 22]a1323324 (382)3086 (360)2785 (303)9.8 (3.7)309 (141)
D3 (72-96h)[20, 22]a863247 (356)3001 (312)2688 (279)10.3 (3.8)313 (129)
  1. a Own data contributed n = 38 on D0, n = 125 on D1, n = 76 on D2, n = 32 on D3