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. 2023 Jul 13;23:357. doi: 10.1186/s12887-023-04176-x

Table 1.

Infant characteristics

Infant Characteristics Total
(n = 316)
2016
(n = 66)
2017
(n = 63)
2018
(n = 61)
2019
(n = 85)
2020
(n = 41)
Gender, n (%) Female 151 (48) 34 (51.5) 33 (52) 31 (51) 36 (42) 17 (41.5)
Male 165 (52) 32 (48.5) 30 (48) 30 (49) 49 (58) 24 (58.5)
Gestational age in weeks, median [IQR]

27

[25–28]

26.5

[25–28]

27

[24–28]

26

[25–28]

27

[25–28]

26

[26–28]

Mode of delivery, n (%) Vaginal 138 (44) 28 (42) 35 (56) 33 (54) 30 (35) 12 (29)
C-section 178 (56) 38 (58) 28 (44) 28 (46) 55 (65) 29 (71)
Birth weight in grams, median [IQR]

880

[720–1100]

900

[750–1100]

870

[700–1100]

830

[720–1135]

900

[730–1050]

880

[750–1100]

Apgar score in 1 min, median [IQR] 5 [4–6] 5 [4–6] 5 [3–6] 5 [4–6] 6 [4–7] 5 [4–6]
Apgar score in 5 min 8 [7–8] 7 [6–8] 7 [7–8] 8 [7–8] 8 [7–8] 8 [7–8]
Received surfactant therapy, n (%) 211(67) 42 (64) 34 (55) 31 (51) 68 (80) 36 (88)
Received antenatal steroids, n (%) 218 (69) 35 (53) 42 (67) 50 (82) 58 (68) 33 (80.5)
Received postnatal steroids, n (%) 110 (35) 24 (36) 26 (41) 17 (28) 30 (35) 13 (32)
Length of hospital stay in days, median [IQR] 82 [59–108] 84 [59–102] 79 [55–107] 79 [60–108] 82 [63–124] 81 [65–103]