Table 1 Demographic features of pregnancies/neonates with a tight, loose or no nuchal cord, born in an Intermountain Healthcare hospital during the period 1 January 2005 through 31 December 2010

From: Neonatal outcomes following a tight nuchal cord

  Tight nuchal cord (n=14 481) Loose nuchal cord (n=47 364) No nuchal cord (n=157 492) P-value tight vs loose nuchal cord P-value tight vs no nuchal cord
Gestational age at birth (weeks) 39.0 38.9 38.7 0.000 0.000
Weight at birth (g) 3258 3302 3279 0.000 0.000
Gender (% M) 54.0% 54.3% 50.3% 0.451 0.000
Maternal race (% W) 83.6% 85.7% 82.3% 0.000 0.000
Primagravida (%) 34.3% 32.3% 33.0% 0.000 0.002
Twin or higher multiple (%) 1.8% 2.4% 3.8% 0.000 0.000
Shoulder dystocia (%) 2.7% 1.8% 1.8% 0.000 0.000
  1. Abbreviations: M, male; W, white.