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Table 1 Demographic characteristics of the participants in this study cohort

From: Clinical efficiency of simultaneous CNV-seq and whole-exome sequencing for testing fetal structural anomalies

  Cases (trios) Fetal sex (male:female) Gestational week (weeks) Maternal age (years) Paternal age (years)
Total 959 0.58:0.42 23.6 (22.25–26.4) 28 (26–31) 32 (29–34)
 Cardiac 265 0.60:0.40 24 (22.6–24.6) 28 (26–31) 32 (30–35)
 Chest and respiratory tract 43 0.49:0.51 24.1 (23.15–26.15) 28 (26–30) 31 (30–33.5)
 CNS 116 0.53:0.47 26.45 (23.075–31.2) 28.5 (26–31) 32 (29–35)
 Facial 127 0.69:0.31 23.2 (22.4–24.35) 28 (25.5–30) 31 (29–34)
 Gastrointestinal tract and AW 42 0.57:0.43 24 (14.5–28.125) 29 (27–30) 32 (30–34)
 Genitourinary 94 0.62:0.38 24.3 (23–29.45) 29 (27–31) 32 (29–34)
 Hydrops 31 0.58:0.42 24.2 (21.5–30.5) 28 (25–31) 32 (28–35)
 Increased NT 20 0.60:0.40 13 (12.5–13.3) 28 (27–30) 31 (30–34)
 Skeletal 94 0.53:0.47 23.8 (22.15–25.975) 29 (26–32) 32 (30–35)
 Multisystem 127 0.54:0.46 22.6 (14.45–24.25) 28 (25–30) 31 (29–33)
  1. Fetuses were counted once. Data were shown as median (first quartile to third quartile)
  2. CNS central nervous system; AW abdominal wall; NT nuchal translucency