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Table 1 Basic characteristics of the children included in the study

From: Association between blood pressure and retinal arteriolar and venular diameters in Chinese early adolescent children, and whether the association has gender difference: a cross-sectional study

Characteristics

Male

Female

P

(n = 792)

(n = 709)

Age (year)

12.66 (0.50)

12.73 (0.49)

0.004

Spherical equivalent refraction (diopters)

−1.78 (2.08)

− 1.32 (2.02)

< 0.001

Axial length (mm)

23.93 (1.01)

24.35 (1.09)

< 0.001

Systolic blood pressure (mm Hg)

104.55 (10.87)

107.36 (10.35)

< 0.001

Diastolic blood pressure (mm Hg)

65.35 (7.57)

65.45 (7.21)

0.758

Mean arterial blood pressure (mm Hg)

78.42 (8.23)

79.41 (7.63)

0.005

BMI (kg/m2)

19.32 (3.22)

20.28 (3.91)

< 0.001

Waist (cm)

69.04 (7.84)

71.92 (10.14)

< 0.001

  1. Data are mean (SD). BMI body mass index; Significant p values are bolded. Significant p values are bolded