Durometry as an alternative tool to the modified Rodnan’s skin score in the assessment of diffuse systemic sclerosis patients: a cross-sectional study

Table 2 Inter-rater agreement scores for mRSS and durometry, at each evaluated skin area

Skin area	Durometry score agreement (investigator 1 vs investigator 2)		mRSS agreement (investigator 1 vs investigator 2)
Skin area	ICC	95% CI	Kappa	95% CI
Face	0.89	(0.82; 0.94)	0.65	(0.50; 0.80)
Thorax	0.98	(0.97; 0.99)	0.60	(0.45; 0.74)
Abdomen	0.99	(0.98; 0.99)	0.54	(0.37; 0.71)
Arm R	0.91	(0.97; 0.99)	0.70	(0.58; 0.83)
Arm L	0.97	(0.94; 0.98)	0.56	(0.42; 0.70)
Forearm R	0.97	(0.95; 0.98)	0.75	(0.62; 0.87)
Forearm L	0.97	(0.95; 0.98)	0.71	(0.57; 0.84)
Hand R	0.95	(0.91; 0.97)	0.66	(0.52; 0.79)
Hand L	0.96	(0.94; 0.98)	0.72	(0.60; 0.84)
Finger R	0.90	(0.83; 0.94)	0.76	(0.64; 0.89)
Finger L	0.88	(0.79; 0.93)	0.76	(0.63; 0.89)
Thigh R	0.98	(0.97; 0.99)	0.57	(0.43; 0.71)
Thigh L	0.97	(0.95; 0.98)	0.54	(0.39; 0.69)
Leg R	0.93	(0.89; 0.96)	0.67	(0.53; 0.81)
Leg L	0.92	(0.87; 0.96)	0.66	(0.52; 0.79)
Foot R	0.94	(0.90; 0.97)	0.76	(0.64; 0.88)
Foot L	0.95	(0.92; 0.97)	0.79	(0.68; 0.90)

mRSS modified Rodnan’s skin score, ICC Intraclass Correlation Coefficient, CI confidence interval, R right, L left, Kappa Weighted Cohen’s Kappa coefficient

ISSN: 2523-3106