Retrospective Cohort Study
Copyright ©The Author(s) 2023.
World J Radiol. May 28, 2023; 15(5): 146-156
Published online May 28, 2023. doi: 10.4329/wjr.v15.i5.146
Table 1 Population characteristics
CharacteristicCTEPH, n = 15Control, n = 45P value
Age in yr, mean (95%CI)48 (40, 83)48 (40, 83)-
Height in cm, mean (95%CI)159 (151, 162)159 (154, 163)0.5
Weight in kg, mean (95%CI)58 (49, 75)61 (54, 72)0.9
Interval between initial and follow-up CT in d, mean (95%CI)547 (273, 846)531 (294, 815)0.9
Results of RHC and echocardiographyInitial, n = 15Follow-up, n = 15P value
Pulmonary arterial pressure in mmHg, mean (95%CI)47 (38, 59)34 (23, 44)-0.001b
Cardiac output in L/min, mean (95%CI)3.4 (2.8, 4.3)4.6 (3.6, 6.1)-0.01a
Cardiac index in L/min/m2, mean (95%CI)2.2 (1.6, 2.7)2.7 (2.4, 3.6)-0.01a
Tricuspid regurgitation pressure gradient in mmHg, mean (95%CI)66 (51, 77)42 (23, 61)-0.01a
Left ventricular end-diastolic diameter in mm, mean (95%CI)38 (37, 42)44 (41, 47)-0.02a
Left ventricular end-systolic diameter in mm, mean (95%CI)25 (22, 28)27 (24, 31)-0.5
Results of spirometryInitial, n = 10Follow-up, n = 10
Vital capacity % predicted83 (70, 102)87 (76, 99)-0.2
Forced vital capacity % predicted76 (71, 97)83 (74, 97)-0.3
Forced expiratory volume-one second % predicted74 (63, 95983 (69, 96)-0.5