Table 4.

Receiver–Operating Characteristic (ROC) Analysis of the Value of the SOFA, SAPS II, and APACHE II Score in Predicting Mortality.^a

	Patients With RA, n = 49	Non-RA Patients, n = 51
SOFA	AUC: 0.784 ± 0.07, 95% CI: 0.648-0.921, P < .001	AUC: 0.968 ± 0.0226, 95% CI: 0.924-1.000, P < .0001
SAPS II	AUC: 0.784 ± 0.065, 95% CI: 0.656-0.912, P < .001	AUC: 0.933 ± 0.0346, 95% CI: 0.936-1.000, P = .0001
APACHE II	AUC: 0.775 ± 0.067, 95% CI: 0.644-0.906, P = .001	AUC: 0.866 ± 0.056, 95% CI: 0.756-0.977, P = .001

Abbreviations: APACHE II, Acute Physiology and Chronic Health Evaluation II; AUC, area under the curve; CI, confidence interval; SAPS II, Simplified Acute Physiology Score II; SOFA, Sequential Organ Failure Assessment; RA, rheumatoid arthritis.

^a Area under the curve is given with standard error (±SE), 95% confidence interval and P value.