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Table 2 Intra-observer variation for modified Rodnan skin score

From: Lidocaine for systemic sclerosis: a double-blind randomized clinical trial

  n Mean Median SD Lower Value Higher Value P value *
RSS- m 1a 24 18,33 19 8,07 3 33 0,588
RSS-m 1b 24 18,21 17,5 8,17 3 33  
RSS-m 2a 24 13,29 13,5 6,4 2 30 0,257
SCR-m 2b 24 13,46 13,5 6,33 2 30  
RSS-m 3a 24 13,5 13,5 7,25 2 30 0,266
RSS-m 3b 24 13,38 13,5 7,29 2 30  
  1. * T Student test
  2. RSS-m 1a: modified Rodnan skin score - before treatment at moment 1; RSS-m 1b: modified Rodnan skin score - before treatment at moment 2; RSS-m 2a: modified Rodnan skin score - immediately after treatment at moment 1; RSS-m 2b: modified Rodnan skin score - immediately after treatment at moment 2; RSS-m 3a: modified Rodnan skin score - after 6-months follow-up at moment 1; RSS-m 3b: modified Rodnan skin score - after 6-months follow-up at moment 2; SD: standard deviation.