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Table 3 Relationship between the class of ductal size and severity of pulmonary hypertension

From: The effects of ductal size on the severity of pulmonary hypertension in children with patent ductus arteriosus (PDA): a multi-center study

Class of ductal size

Severity of pulmonary hypertension

Total n (%)

Mild n(%)

Moderate n(%)

Severe n(̉%)

Small

3 (42.86)

4 (57.14)

0 (0)

7 (100)

Moderate

3 (15.79)

7 (36.84)

9 (47.37)

19 (100)

Large

16 (44.44)

8 (22.22)

12 (33.33)

36 (100)

Total

22 (35.48)

19 (30.65)

21 (33.87)

62 (100)

  1. Chi-square = 17.85, p = 0.007