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. 2009 Jul 9;29(11):731–737. doi: 10.1038/jp.2009.85

Table 1. Demographic and clinical data for the three study groups.

  GC group (PTL and GCs) n=30 Matched controls (no PTL or GCs) n=60 PTL controls (PTL and no GCs) n=15 P
GA PTL diagnosed (weeks) 29.7 (0.6)a NA 29.2 (0.9) 0.73
Gestational age at birth (weeks) 38.0 (0.2) 38.3 (0.1) 38.6 (0.2) 0.10
Sex (F, M) 20, 10 40, 20 10, 5  
5-min Apgar 9.0 (0.2) 8.9 (0.2) 9.1 (0.2) 0.29
Mode of delivery 53% vaginal 58% vaginal 60% vaginal 0.74
         
Parity
 1 27% 28% 40% 0.18
 2 37% 37% 33%  
 ⩾3 36% 35% 27%  
         
Race
 Hispanic 70% 50% 47% 0.07
 Caucasian 17% 30% 40%  
 Other 13% 19% 12%  
Maternal age at delivery (years) 28.9 (0.7) 28.7 (1.1) 31.5 (2.0) 0.30
GA at first prenatal visit (weeks) 12.8 (0.9) 10.8 (1.1) 10.6 (0.5) 0.34
         
Insurance type
 Commercial HMO 23% 17% 23% 0.11
 Commercial PPO 19% 10% 28%  
 Government sponsored 50% 73% 43%  
 Other 8% 0% 6%  

Abbreviations: F, female; GA, gestational age; GC, glucocorticoid; HMO, Health Maintenance Organization; M, male; NA, not-applicable; PPO, Preferred Provider Organization and PTL, preterm labor.

Note: Group differences were assessed using analysis of variance (ANOVA) for continuous variables and χ2 for categorical variables.

a

Preterm labor was the primary indication for GCs in 87% of these participants.

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