cxviii investigato rs and participant s 2 5 Adequate adjustment for confoundi ng 1 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 2 6 Losses to follow-up taken into account 1 N/ A UT D 1 N/ A 1 N/ A UT D N/ A N/ A 0 N/ A N/ A 1 UT D UT D 1 Power 2 7 Sample sizes have been calculated 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Obtained score 9 13 17 10 13 8 4 9 11 6 7 9 15 12 15 15 Maximum obtainable score 28 17 23 22 17 22 17 19 17 15 21 15 17 22 22 22 22 Percentage obtained (%) 10 0 53 57 77 59 59 47 21 53 73 29 47 53 68 55 68 68 Overall quality assessment (colour coded) ● Poor ● Fair ● Good ● Excellent ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
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