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Table 1 Comparison of participant characteristics between the case group and control group (Mean ± SD)

From: iTRAQ and PRM-based quantitative proteomics in early recurrent spontaneous abortion: biomarkers discovery

Participant characteristics Case group (n = 30) Control group (n = 30) P-value
Age (year) 26.83 ± 3.58 26.93 ± 3.42 0.97
BMI 22.12 ± 1.43 22.02 ± 1.12 0.73
Pregnancy duration (day) 55.80 ± 5.85 52.57 ± 6.16 0.07
Number of previous pregnancies 2.43 ± 0.68 / /