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. Author manuscript; available in PMC: 2020 Sep 1.
Published in final edited form as: J Perinatol. 2019 Jul 11;39(9):1219–1228. doi: 10.1038/s41372-019-0422-x

Table 3:

Feeding Characteristics

IOF* (n=1262) Alternative Reason** (n=1048) Discharged at 36 wks PMA (n=2641) Adjusted OR(95%CI) IOF v. Alternativeb Adjusted OR (95%CI) IOF v. Dischargedb
Exposure to parental nutrition, n (%) 1059 (84) 853/1047 (82) 2005/2639 (76) 0.97 (0.71, 1.34) 1.88 (1.45, 2.43)
OG/NG feeds after 24 hours, n (%) 1238/1259 (98) 1000/1044 (96) 2255/2628 (86) 2.97 (1.69, 5.22) 7.25 (4.53, 11.61)
Fed human milk in the first 28 days, n (%) 1108/1261 (88) 908 (87) 2172/2638 (82) 1.09 (0.83, 1.42) 1.30 (1.05, 1.61)
PMA of first oral feed (weeks)c, median (IQR) 341/7 (334/7, 344/7) 336/7 (331/7, 342/7) 334/7 (33, 34) 0.11 (0.03, 0.19) 0.38 (0.31, 0.44)
PMA of full (120 ml/kg) oral feeds (weeks)c, median (IQR) 363/7 (36, 371/7) 354/7 (346/7, 36) 345/7(341/7, 352/7) 0.87 (0.78, 0.96) 1.53 (1.46, 1.60)
At status, Human milk, n (%) 418 (33) 383 (37) 1038/2636 (39) 1.65 (0.87, 1.29) 0.85 (0.72, 1.00)
At status, Human milk with fortifier, n (%) 446 (35) 262 (25) 816/2636 (31) 1.28 (1.05, 1.57) 0.91 (0.77, 1.06)
At status, Formula 22 kcal, n (%) 520 (41) 481 (46) 1241/2636 (47) 0.88 (0.72, 1.07) 0.88 (0.75, 1.03)
At status, Formula 24 kcal, n (%) 365 (29) 245 (23) 696/2636 (26) 1.05 (0.85, 1.30) 1.02 (0.86, 1.22)
At status, Other feed, n (%) 92 (7) 116 (11) 121/2636 (5) 0.83 (0.61, 1.14) 1.90 (1.40, 2.57)
At status, No enteral feeds, n (%) 7 (1) 6 (1) 28/2636 (1) 0.90 (0.30, 2.72) 0.48 (0.20, 1.12)
*

IOF: Inadequate oral feeds

**

Alternative Reason group does not include any infant who was designated to be IOF

***

At status: At 36 weeks PMA or at discharge if before 36 weeks PMA

b

Adjusted odds ratio were obtained using Logistic regression analysis adjusting for covariates gestational age, SGA, sex, race, mode of delivery, antenatal steroids, surfactant, 5 minute APGAR scores and center

c

Adjusted estimates were obtained using Median regression analysis adjusting for covariates gestational age, SGA, sex, race, mode of delivery, antenatal steroids, surfactant, 5 minute APGAR scores and center