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Table 2 Analysis of variables associated with serum uric acid levels in patients of CTD-PAH

From: Serum uric acid is associated with disease severity and may predict clinical outcome in patients of pulmonary arterial hypertension secondary to connective tissue disease in Chinese: a single-center retrospective study

  R squared Pearson r 95% confidence interval P value
Age 0.004175   −2.017 to 3.174 0.6557
BMI 0.00257   −0.3424 to 0.2499 0.7438
FBS 0.001525   −0.2842 to 0.3543 0.8159
creatinine 0.3106   0.2891 to 0.7444 0.0003
WHO functional class, I/II/III/IV 0.04782   −0.06354 to 0.4685 0.1271
6MWD 0.09445   −1.204 to 0.3133 0.2302
NT-pro BNP 0.1291 0.3593 0.05378 to 0.6034 0.0228
PASP 0.08235 0.287 0.05005 to 3.258 0.0433
Rap 0.09764 0.3125 0.02772 to 0.5503 0.0325
PAWP 0.0272   −0.1318 to 0.4345 0.2734
CO 0.1418 −0.3766 −0.6035 to − 0.09333 0.0108
CI 0.1549 −0.3936 −0.6160 to − 0.1130 0.0075
PVR 0.1908 0.4369 0.1264 to 0.6694 0.0077
SVO2% 0.1073   −0.6069 to 0.02402 0.0673
  1. Pearson correlation analysis was used to evaluate the correlation between the indicators
  2. BMI body mass index, FBS fasting blood sugar