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Table 1 Background parameters of 184 women hospitalized for HG, total and by ethnicity

From: Hyperemesis gravidarum in northern Israel: a retrospective epidemiological study

Parameter Total cohort Arabs Jews P value (Arabs vs Jews)
No. patients (%) 184 124 (67.4 %) 60 (32.6 %)  
Age (yr), mean ± 2SD (range) 27.3 ± 10.6 (16-44) 26.4 ± 10.2 (16-40) 28.9 ± 10.6 (16-44) 0.002 (t-test)
Gestational age (wk), mean ± 2SD (range) 9.28 ± 5.2 (5-17.5) 9.3 ± 4.8 (5-17) 9.2 ± 5.8 (5.5-17.5) 0.478 (Mann-Whitney)
No. of pregnancies, mean ± 2SD (range) 2.35 ± 3.4 (1-4) 2.2 ± 2.8 (1-4) 2.5 ± 4.2 (1-4) 0.298 (chi-square)
Length of hospitalization (days), mean ± 2SD (range) 2.24 ± 2.6 (1-9) 2.2 ± 2.2 (1-6) 2.2 ± 3.4 (1-9) 0.034 (Mann-Whitney)