Research Article
Use of Near-Infrared Spectroscopic Analysis of Second Trimester Amniotic Fluid to Assess Preterm Births
Table 3
Means and standard deviations by functional groups for term and preterm birthsa.
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aData are reported as means ± standard deviation. Birth outcomes and second trimester amniotic fluid functional groups ratios for mothers delivering in term (n = 216) and preterm (n = 10). bAll the differences between term and preterm groups were nonsignificant at a confidence level of 10%, with the exception of NH/CH which had a P value of 0.090. cIt is important to mention that one sample that had a gestational age of 35.1 was discarded as an outlier. Its exclusion from this ratio analysis was primarily because it had a gestational age 2 weeks above the mean and also was 500 g heavier than the average of the group. *Relative amount of protein to carbohydrates/fats. †Relative amount of protein to modified polyalcohols.‡Relative amount of carbohydrates/fats to modified polyalcohols. §Relative amount of protein to water. ¶Relative amount of carbohydrates/fats to water. |