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Table 1 Demographic characteristics of the participating women

From: Myocardial tissue characterization and strain analysis in healthy pregnant women using cardiovascular magnetic resonance native T1 mapping and feature tracking technique

  Pregnant Non-pregnant
Number of women 12 15
Number of nulliparous women 5 (42%)† 14 (93%)
Age (y) 33 ± 4 31 ± 3
Pre-pregnancy BMI (kg/m2) 19.3 ± 0.7 20.2 ± 1.5
Pre-pregnancy BSA (m2) 1.50 ± 0.09 1.49 ± 0.09
Pre-pregnancy Hb (g/dL) NA 13.0 ± 0.9
Pre-pregnancy BNP (pg/mL) NA 13 ± 5
BSA (m2) at CMR
 2nd trimester 1.53 ± 0.10 NA
 3rd trimester 1.57 ± 0.11 NA
 Postpartum 1 month (PP1M) 1.52 ± 0.11 NA
Hb (g/dL) at CMR
 2nd trimester 11.2 ± 1.0 *† NA
 3rd trimester 11.2 ± 0.8*† NA
 Postpartum 1 month (PP1M) 12.3 ± 1.0 NA
BNP (pg/mL) at CMR
 2nd trimester 20 ± 1 *† NA
 3rd trimester 14 ± 6 NA
 Postpartum 1 month (PP1M) 11 ± 8 NA
Gestational week at delivery 39.3 ± 1.4 NA
  1. BMI Body mass index, BSA Body surface area, CMR Cardiovascular magnetic resonance,
  2. [Hb]/[BNP] Blood concentration of hemoglobin/brain type natriuretic peptide, NA Not applicable
  3. *, P < 0.05 vs. postpartum 1 month; †, P < 0.05 vs. non-pregnant women