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Table 1 The baseline characteristics of patients in the entire study population

From: Cone-beam computed tomography is not a mandatory procedure in adrenal venous sampling for primary hyperaldosteronism

Parameters

Overall (n = 120)

With CBCT (n = 69)

Without CBCT (n = 51)

P

Age (years)

49.4 ± 10.3

49.4 ± 11.2

49.9 ± 9.0

0.690#

Gender (%)

   

0.147*

 Male

61 (50.8%)

39 (56.5%)

22 (43.1%)

 

 Female

59 (49.2%)

30 (43.5%)

29 (56.9%)

 

Body mass index (kg/m2)

24.8 (IQR: 4.1)

25.8 ± 4.2

24.5 ± 2.7

0.062#

Lowest kalemia (mmol/l)

3.3 (IQR: 0.8)

3.4 (IQR: 0.8)

3.3 ± 0.5

0.273^

Systolic blood pressure (mm Hg)

157.1 ± 21.6

158.8 ± 21.2

154.8 ± 22.1

0.316#

Diastolic blood pressure (mm Hg)

96.1 ± 14.8

95.7 ± 14.9

96.6 ± 14.8

0.749#

Plasma supine Aldosterone (ng/dl)

28.8 (IQR: 36.9)

29.7 (IQR: 23.2)

24.6 (IQR: 44.8)

0.574^

Plasma upright Aldosterone (ng/dl)

31.9 (IQR: 31.6)

32.3 (IQR: 29.1)

28.8 (IQR: 37.9)

0.804^

Plasma supine active renin (ng/ml.h)

0.5 (IQR: 1.1)

0.6 (IQR: 1.0)

0.5 (IQR: 1.3)

0.902^

Plasma upright active renin (ng/ml.h)

0.8 (IQR: 1.8)

0.8 (IQR: 1.7)

0.9 (IQR: 2.0)

0.706^

Aldosterone-to-renin ratio

44.7 (IQR: 97.6)

44.7 (IQR: 72.2)

52.2 (IQR: 125.1)

0.512^

Success rate (%)

85.8%

88.4%

82.3%

0.347*

Radiation dose (mGy)

617.0 (IQR: 784.2)

694.0 (IQR: 940.5)

490.0 (IQR: 718.0)

0.018^

Sampling time (min)

93 (IQR: 40.0)

101 (IQR: 44)

87.3 ± 32.0

0.001^

  1. CBCT Cone-beam computed tomography;IQR Interquartile range
  2. *Pearson’s chi-square test; #One-Way ANOVA test; ^ Mann–Whitney U test