Sentence examples for birth hr from inspiring English sources

Using multivariate analyses, increased neonatal mortality risk was associated with male sex (hazard ratio (HR) = 1.38; 95% confidence interval (CI), 1.23 − 1.55); neonates born to mothers aged < 18 years (HR = 1.41; 95% CI, 1.15 − 1.72); and those born within 2 years of the preceding birth (HR = 2.19; 95% CI, 1.89 − 2.51).

Finnish men who had a high ponderal index at birth had a relative risk of CHD of less than 0.75 even if they became relatively overweight in childhood, whereas the increased CHD risk associated with an increase in BMI in childhood was confined to men who were thin at birth (HR = 1.27 [95% CI: 1.10 to 1.47] per BMI standard deviation score) [4], [5].

In contrast, there was a weak association between previous-4-weeks high exposure to TTHM and preterm birth (HR = 1.13; 95% CI, 0.95 1.35) (Table 3), but the estimate was relatively imprecise.

Results were similar for the highest TTHM levels averaged over only 2 weeks and 1 week before birth (HR 1.15; 95% CI, 0.97 1.35 2-week average; and HR 1.06; 95% CI, 0.92 1.23 1-week average) (data not shown).

For instance, risks of death were 61% significantly higher for children of mothers in polygynous unions (HR: 1.61, CI: 1.46 1.77, p < 0.001) and almost two-folds higher for children of fifth- or higher-order birth (HR: 1.78, CI: 1.62 1.95, p < 0.001).

There was some suggestion that increasing age at first live birth increased the risk of breast cancer among mutation carriers, but this was not statistically significant (for age 30 years or more at first live birth, HR = 1.30, 95% CI 0.74 to 2.29; p trend = 0.38).

Winter birth increased the risk of dying compared with spring births (HR = 1.28; 95% CI, 1.08 − 1.51).

The main risk factors for pneumonia were low birth weight (HR 1.37, 95%CI 1.01 1.85) and mechanical ventilation (HR 9.69, 95%CI 4.60 20.4); intravenous antibiotics were protective (HR 0.37, 95%CI 0.21 0.64).

In contrast, risks of death were significantly lower for children with longer preceding birth interval (HR: 0.54, CI: 0.38 0.78, p < 0.001) relative to children with shorter birth interval.

Estimated risks were highest in women exposed to X-rays before age 20 only, particularly those born in later birth cohorts (HR = 4.85, 95% CI = 2.2-10.9, P < 0.001).

The first 5 years after the first birth, the HR of being dispensed antihypertensive drugs was higher in preterm [8.4 (7.7 9.1)] than term preeclamptic pregnancies [4.3(4.0–4.6)].