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. 2021 Nov 8;21:756. doi: 10.1186/s12884-021-04204-7

Table 1.

Population characteristics

Characteristic Bag Mask Ventilation
N=33
No Bag Mask Ventilation
N=1072
Maternal characteristics
 Mode of delivery, n (%)
  Vaginal 25 (76) 1050 (98)
  Breech Vaginal 8 (24) 22 (2)
  Missing/unknown 0 0
 Gravidity, n (%)a
  Primigravida 15 (45) 218 (20)
  Multigravida 8 (24) 438 (41)
  Grand multigravida 9 (27) 327 (31)
  Missing/unknown 1 89
 Maternal Age in years, mean (SD)b 25.3 (6.5) 25.9 (5.9)
Infant characteristics
 Estimated gestational age, n (%)
  Term 28 (85) 1041 (97)
  Pre-term 5 (15) 31 (3)
  Missing/unknown 0 0
 Birth Weight in grams, mean (SD)c 2.952 (0.890) 3.301 (0.544)
 Sex, n (%)d
  M 19 (58) 499 (47)
  F 12 (36) 533 (50)
  Missing/unknown 2 40

aN=1022

bN=861

cN=1104

dN=1063