the control group ( n = 41 ; tcpo2 = 34.4 +/- 14.3 mm hg ) and the patients with primary rp ( n = 81 ; tcpo2 = 25.0 +/- 9.7 mmm hg ) had a significantly higher baseline tcpo2 ( p less than 0.05 ) in comparison to the secondary rp-patients with a connective tissue disease ( n = 54 ; tcpo2 = 10.5 +/- 7.9 mm hg ) .
C0151445
primary rp
C0034735
secondary rp