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Table 1 Comparison of general characteristics between PE and non-PE groups after cesarean section (x ± s or median [P25, P75])

From: Predictive value of D-dimer and analysis of risk factors in pregnant women with suspected pulmonary embolism after cesarean section

 

PE

N = 30

Non-PE

n = 95

Coefficient

P value

Age (years)

31.27 ± 5.29

31.62 ± 5.07

− 0.330

0.752a

BMI (kg/m2)

27.99 ± 4.76

26.54 ± 3.77

0.982

0.324a

Gestational age at delivery (weeks)

35.69 ± 2.66

34.48 ± 4.10

1.228

0.073a

Neonatal birth weight (g)

2750.00 ± 744.81

2264.82 ± 859.06

2.060

0.637a

Neonatal body length (cm)

47.18 ± 4.53

44.22 ± 5.60

− 1.971

0.053a

Mean arterial pressure (mmHg)

93.31 ± 19.55

101.85 ± 16.10

− 2.370

0.443a

Shock index

0.87 [0.58, 1.12]

0.70 [0.62, 0.80]

− 1.931

0.042b

Apgar score at 1 min

10.00 [4.00, 10.00]

9.00 [7.00, 10.00]

− 0.053

0.957b

Apgar score at 5 min

10.00 [9.00, 10.00]

10.00 [10.00, 10.00]

− 0.276

0.782b

Modified Wells score

3.0 [1.5, 6.0]

3.0 [1.5, 4.5]

− 1.271

0.204b

Laboratory test results within postpartum 24 h

    

 D-dimer (mg/L)

3.00 [1.01, 6.91]

1.24 [7.54, 2.38]

− 4.659

0.000b

 Fibrinogen (g/L)

3.50 [2.70, 4.53]

3.80 [3.20, 4.30]

− 0.900

0.368b

 PDW (%)

16.95 [15.30, 17.60]

17.40 [16.20, 18.20]

− 1.491

0.136b

 RDW (%)

14.50 [13.13, 17.50]

14.50 [13.50, 16.80]

− 0.286

0.775b

 CK (u/L)

130.50 [58.25, 256.75]

128.50 [84.90, 221.25]

− 0.225

0.822b

 CK-MB (u/L)

22.00 [13.00, 72.75]

27.00 [18.00, 44.40]

− 0.384

0.701b

  1. BMI, body mass index; PDW, platelet distribution width; RDW, red cell distribution width; CK, creatine kinase; CK-MB, creatine kinase myocardial band
  2. aEvaluated using the t test
  3. bEvaluated using the Mann–Whitney U test