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Table 2 FEV1% scores across the five data points

From: Intradialytic Laughter Yoga therapy for haemodialysis patients: a pre-post intervention feasibility study

Time n Mean SD Minimum Maximum t df p
T1 pre LY 17 63.35 18.03 40 99 0.03 16 0.98
T1 post LY 17 63.29 17.11 29 93    
T2 pre LY 14 64.21 16.87 46 102 0.91 13 0.38
T2 post LY 14 62.07 16.16 43 95    
T3 12 55.17 14.22 26 73