. 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 1.

Classification power of SLE and MCTD classification criteria sets when SLE and MCTD patients are considered.

Classification criteria sets		SLE		MCTD		Accuracy	Sensitivity	Specificity	p-value
Classification criteria sets		Correctly classified	Incorrectly classified	Correctly classified	Incorrectly classified	Accuracy	Sensitivity	Specificity	p-value
SLE	*SLICC*	93% (n = 83)	7% (n = 6)	13% (n = 6)	87% (n = 13)	66.41%	93.26%	13.33%	0.207
SLE	*ACR*	85% (n = 76)	15% (n = 13)	24% (n = 11)	76% (n = 34)	64.93%	85.39%	24.44%	0.161
*MCTD*	*Alarcón-Segovia*	76% (n = 68)	24% (n = 21)	64% (n = 29)	36% (n = 16)	72.39%	64.44%	76.40%	<0.0001
	*Sharp*	54% (n = 48)	46% (n = 41)	82% (n = 37)	18% (n = 8)	63.43%	82.22%	53.93%	<0.0001
	*Kasukawa*	44% (n= 37)	56% (n = 48)	93% (n = 42)	7% (n = 3)	60.76%	93.33%	56.47%	<0.0001
	*Kahn*	94% (n = 83)	6% (n = 83)	24% (n = 11)	76% (n = 34)	69.40%	24.44%	92.13%	0.008

SLICC and ACR stands for Systemic Lupus International Collaborating Clinics and American College of Rheumatology, respectively. The analyses were performed in SPSS (version 18) and included 110 SLE and 55 MCTD patients