Table1. Maternal baseline characteristics in two groups Table1. Maternal baseline characteristics in two groups Table1. Maternal baseline characteristics in two groups Table1. Maternal baseline characteristics in two groups Table1. Maternal baseline characteristics in two groups
Baseline characteristics 40 0/7 to 40 6/7 w 41 0/7 to 41 6/7 w P-value T/X2
N=1107 N=462
Maternal age /years 29.3±3.5 29.0±3.6 0.087Τ 1.72
Maternal body mass index (kg/m2) 27.3±6.3 27.4±3.0 0.865Τ -0.17
Nulliparous –no. (%) 888(80) 374 (81) 0.738 0.11
Gestational age/w–median (min, max) 40.43 (40-40.86) 41.14 (41-41.86) 0.000ψ -
Gravity–median (min, max) 1 (1-6) 1 (1-6) 0.595ψ -
Parity–median (min, max) 1 (1-4) 1 (1-3) 0.694ψ -
Assisted reproduction–no. (%) 57 (5) 16 (3) 0.148 2.09
Complications–no. (%) 637 (58) 261 (56) 0.702 0.15
GDM–no. (%) 172 (16) 37 (8) 0.000* 16.00
Hypothyroidism–no. (%) 221 (20) 107 (23) 0.156 2.01
Anemia–no. (%) 99 (9) 40 (9) 0.856 0.03
PROM–no. (%) 243 (22) 56 (12) 0.000* 20.42
mesns significant difference between groups; Τone-way analysis of variance;ψMann-Whitney U-test; GDM: gestational diabetes mellitus, PROM: premature rupture of membranes *mesns significant difference between groups; Τone-way analysis of variance;ψMann-Whitney U-test; GDM: gestational diabetes mellitus, PROM: premature rupture of membranes *mesns significant difference between groups; Τone-way analysis of variance;ψMann-Whitney U-test; GDM: gestational diabetes mellitus, PROM: premature rupture of membranes *mesns significant difference between groups; Τone-way analysis of variance;ψMann-Whitney U-test; GDM: gestational diabetes mellitus, PROM: premature rupture of membranes *mesns significant difference between groups; Τone-way analysis of variance;ψMann-Whitney U-test; GDM: gestational diabetes mellitus, PROM: premature rupture of membranes