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Table 3 Per-protocol Analysis for Transcutaneous Hb at 4 months, Neonatal Jaundice and Polycythemia

From: Effects of timing of umbilical cord clamping on preventing early infancy anemia in low-risk Japanese term infants with planned breastfeeding: a randomized controlled trial

  DCC ECC Relative risk (95% CI) / Mean difference (95% CI) p value
Primary outcome
Spectrophotometric hemoglobin (SpHb) at 4 months
  (n = 127/DCC = 65,ECC = 62) 12.4 (0.8) 12.3 (0.7) 0.1 [−0.17, 0.35] 0.50
Secondary outcome
Anemia (SpHb < 11.0 g/dl) (n = 126/DCC = 64,ECC = 62) 1 (1.6) 0 (0.0) 1.0 [0.95, 1.02] 1.00
Neonatal jaundice
  Total serum bilirubin (TsB) (days 3-5)) a (n = 122/DCC = 63, ECC = 59) 12.8 (3.5) 12.1 (3.4) 0.7 [−0.55, 1.91] 0.27
  Over the excess level of transcutaneous bilirubin (TsB) b (n = 122/DCC = 63, ECC = 59) 6 (9.5) 4 (6.8) 1.4 [0.42, 4.73] 0.75
  Phototherapy c (n = 123/DCC = 63, ECC = 60) 7 (11.1) 4 (6.7) 1.7 [0.51, 5.40] 0.53
Hematocrit
  Hematocrit level (days 3-5) (%) a (n = 121/DCC = 62, ECC = 59) 57.2 (5.3) 52.5 (5.2) 4.6 [2.74, 6.53] < 0.01*
  High hematocrit (Hct65%) (n = 121/DCC = 62, ECC = 59) 3 (4.6) 2 (3.0) 0.7 [0.10, 4.00] 0.68
  1. Data are presented as means (SD) or n (%)
  2. a The highest value among blood sampling conducted during days 3-5 were used
  3. b Over the excess value are based on Standard of Imura (1985)
  4. c Two (DCC = 1, ECC = 1) received phototherapy before met to standard of phototherapy for preventively.One (ECC = 1) did not received phototherapy even over level of the standard of phototherapy
  5. *p < .05