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Table 5 Intra-rater reliability of video evaluation

From: Validity and reliability of a performance evaluation tool based on the modified Barthel Index for stroke patients

Primary outcome (PET-MBI total score)
Rater identification number Intraclass correlation coefficient (Fleiss’ ICC)
Mean 0.99
OT-1 0.99
OT-2 1.00
OT-3 1.00
OT-4 1.00
OT-5 0.99
PT-1 0.99
PT-2 1.00
PT-3 0.99
PT-4 1.00
PT-5 0.99
Secondary outcome (PET-MBI, mean κ coefficient, mean agreement rate)
  κw κ POw PO
Personal Hygiene 0.90 0.81 0.97 0.86
Self-bathing 0.85 0.78 0.96 0.86
Feeding 0.91 0.85 0.97 0.90
Using the Toilet 0.91 0.85 0.97 0.88
Stair Climbing 0.94 0.91 0.98 0.95
Getting Dressed 0.94 0.86 0.97 0.89
Bowel Control 0.94 0.91 0.98 0.94
Bladder Control 0.95 0.92 0.98 0.94
Chair/Bed Transfer 0.92 0.87 0.97 0.90
Ambulation 0.96 0.88 0.98 0.90
  1. κ w Weighted κ coefficient (linear weights), κ κ coefficient, P Ow Weighted agreement rate (linear weights), P O Agreement rate