. Author manuscript; available in PMC: 2017 Dec 27.

Published in final edited form as: Lupus. 2016 Jul 11;26(2):150–162. doi: 10.1177/0961203316655212

Table 4.

Evaluating novel proposed classification rule for unclear SLE and MCTD patients.

Classification criteria sets		Accuracy	Sensitivity	Specificity
*Novel proposed “Lu-vs-M” rule*		96.30%	61.54%	50.00%
SLE	*SLICC*	62.96%	93.75%	18.18%
SLE	*ACR*	55.55%	75.00%	27.27%
*MCTD*	*Alarcón-Segovia*	22.22%	18.75%	27.27%
	*Sharp*	48.14%	62.50%	27.27%
	*Kasukawa*	50.00%	80.00%	9.09%
	*Kahn*	29.63%	6.25%	63.64%

“Lu-vs-M”, “SLICC” and “ACR” stands for SLE vs MCTD, Systemic Lupus International Collaborating Clinics and American College of Rheumatology, respectively. The analyses were performed in SPSS (version 18) and included unclear SLE (n = 16) and MCTD (n = 11) patients from the validation group