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. Author manuscript; available in PMC: 2015 Aug 1.
Published in final edited form as: BJOG. 2014 Feb 28;121(9):1137–1144. doi: 10.1111/1471-0528.12642

Table 1.

Maternal Characteristics

Variable
(SD or %)
Trial of Labor
(TOL)
n=1078
Prelabor
Cesarean (PLC)
n= 1147
P-value
Mean Age (years) 29.4 (± 6.1) 31.4 (± 6.6) <0.001
Race 0.11
  Caucasian 610 (59.0) 663 (60.3)
  African American 234 (22.6) 210 (19.1)
  Hispanic 143 (13.8) 158 (14.4)
  Other 47 (4.6) 68 (6.2)
Nullipara 426 (39.5) 497 (43.3) 0.07
Prior cesarean 54 (5.5) 289 (25.9) <0.001
Diabetes 60 (5.6) 96 (8.4) 0.01
Hypertensive Disorders 150 (13.9) 135 (11.8) 0.13
Mean Admission BMI (kg/m2) 32.3 (± 6.7) 33.4 (± 7.1) 0.001
Cesarean Delivery 311 (28.9)
Mean Gestational Age (weeks) 37.3 (± 1.0) 37.3 (± 0.9) 0.86
Birthweight (gm)
  Twin A 2687 (± 358) 2716 (± 387) 0.07
  Twin B 2659 (± 392) 2661 (± 405) 0.89