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Table 3 Test–retest reliability: intraclass correlation or kappa coefficient for each parameter of the Bengali LAI

From: Translation, cross-cultural adaptation and validation of the English Lequesne Algofunctional index in to Bengali

Parameters Intraclass correlation co-efficient (ICC) Kappa co-efficient
L1A (pain or discomfort during nocturnal bed rest) 0.89  
L1B (duration of morning stiffness or pain after getting up) 0.93  
L1C (remaining standing for 30 min increases pain) 0.64
L1D (pain on walking) 0.81  
L1E (pain or discomfort when getting up from sitting position without the help of arms) 0.65
L2 (maximum distance walked) 0.97  
L3A (can you go up a standard flight of stairs) 0.90  
L3B (can you go down a standard flight of stairs) 0.92  
L3C (can you squat) 0.91  
L3D (can you walk on uneven ground) 0.93