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Table 2 Total score statistics for individual questions and the contribution of each question to the score

From: Validation of the cultural adaptation of the Kujala score in Arabic

Question number Score mean if the question was deleted Score variance if the question was deleted Corrected question-total correlation Cronbach’s alpha if the question was deleted
1 62.3936 285.811 .435 .797
2 62.9362 293.931 .280 .804
3 63.6170 276.647 .473 .793
4 60.7553 258.896 .521 .786
5 63.8617 259.282 .720 .775
6 60.2128 236.427 .620 .774
7 60.8404 215.662 .545 .793
8 60.7340 248.972 .486 .789
9 60.1702 263.369 .422 .794
10 57.9468 270.029 .405 .795
11 59.7766 264.950 .359 .801
12 62.1277 297.467 .224 .807
13 62.8830 276.083 .528 .791