Table 2 The pulmonary arterial pressures and measurements of the pulmonary arteries on CTPA images of the patients in two groups

RHC

SPAP (mmHg)

26.00 (24~29)

72.22 ± 19.73

-5.940‡

< 0.001

mPAP (mmHg)

18 (16~19)

26 (20~35)

-5.711‡

< 0.001

DPAP (mmHg)

10 (8.5~11)

27.85 ± 10.77

-6.079‡

< 0.001

CTPA

D_MPA (mm)

25.93 ± 4.68

36.01 ± 6.36

-5.901†

< 0.001

A_MPA (mm²)

601.57 ± 184.37

1046.88 ± 278.94

-6.285†

< 0.001

A_MPA (mm³)

25751.64 ± 7154.24

55557.10 ± 18449.48

-8.511†

< 0.001

D_RPA (mm)

19.37 ± 3.32

24.37 ± 4.15

-4.498†

< 0.001

A_RPA (mm²)

348.58 ± 114.38

536.47 ± 176.59

-4.041†

< 0.001

V_RPA (mm³)

15594.91(12662.13~29474.24)

48454.73 ± 19118.22

-4.893‡

< 0.001

D_LPA (mm)

17.51 ± 3.47

21.68 ± 4.36

-3.603†

0.001

A_LPA (mm²)

314.36 ± 75.18

459.79 ± 182.64

-4.075 †

< 0.001

V_LPA (mm³)

23118.99 ± 13552.82

37963.42 ± 16972.93

-3.073†

0.003