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

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

	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

Pearson correlation analysis was used to evaluate the correlation between the indicators
BMI body mass index, FBS fasting blood sugar

ISSN: 1471-2466