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Table 3 Percentage of improvement in the RSS-m, oesophagus manometry and nailfold capillaroscopy considering evaluation at baseline and immediately following intervention

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

  Placebo group, n % Lidocaine group, n % P-value
Improvement (decrease) in the RSS-m by at least 30%    
   Yes 8 (66.7%) 6 (50%) 0.408*
   No 4 (33.3%) 6 (50%)  
Improvement (increase) in lower oesophageal sphincter pressure by at least 30%    
   Yes 3 (25%) 6 (50%) 0.206*
   No 9 (75%) 6 (50%)  
Improvement (increase) in the amplitude of peristaltic waves by at least 30%    
   Yes 2 (16.7%) 4 (33.3%) 0.346*
   No 10 (82.3%) 8 (66.7%)  
Improvement (reduction) in the number of enlarged loops by at least 30%    
   Yes 2 (16.7%) 4 (33.3%) 0.346*
   No 10 (83.3%) 8 (66.7%)  
Improvement (reduction) in capillary avascular areas by at least 30%    
   Yes 2 (16.7%) 2 (16.7%) 1.00*
   No 10 (83.3%) 10 (83.3%)  
  1. * Fisher exact test