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Table 1 Modified Downs and Black Quality Index results, and inter-rater reliability for each item and total score

From: Lower limb biomechanics during running in individuals with achilles tendinopathy: a systematic review

 

Prospective (P) or retrospective case-control (R) study

(1) Clear aim/hypothesis

(2) Outcome measures clearly described

(3) Participant characteristics clearly described

(5) Confounding variables (age, gender, BMI/height/weight and participant activity levels) described

(6) Main findings clearly described

(7) Measures of random variability provided

(10) Actual probability values reported

(11) Participants asked to participate representative of entire population

(12) Participants prepared to participate representative of entire population

(15) Blinding of outcome assessor

(16) Analyses performed were planned

(18) Appropriate statistics

(20) Valid and reliable outcome measures

(21) Appropriate case-control matching (same population)

(22) Participants recruited over the same period of time

(25) Adjustment made for confounding factors

Total

Azevedo et al. [27]

R

1

1

1

2

1

1

1

U

U

U

1

1

U

U

U

1

11

Baur et al. [11]

R

1

1

0

0

0

0

0

U

U

U

1

1

U

U

U

U

4

Donoghue et al. [34]

R

1

1

0

1

1

1

0

0

0

U

1

1

U

U

U

0

7

Donoghue et al. [33]

R

1

1

0

1

1

1

1

0

0

U

1

1

U

U

U

0

8

Kaufman et al. [19]

P

1

1

1

1

1

1

1

1

U

1

1

1

U

1

1

0

13

McCrory et al. [25]

R

1

1

0

1

1

1

0

U

U

U

1

1

U

U

U

1

8

Ryan et al. [35]

R

1

0

1

1

1

1

1

U

U

U

1

1

U

1

U

1

10

Williams et al. [24]

R

1

1

1

2

1

1

1

U

U

0

1

1

U

U

U

1

11

Van Ginckel et al. [2]

P

1

1

1

2

1

1

1

1

U

1

1

1

U

1

1

1

15

% agreement

 

100.0

100.0

100.0

77.8

88.9

88.9

88.9

88.9

88.9

77.8

88.9

88.9

100.0

77.8

100.0

88.9

 

Reliability

 

1.00

1.00

1.00

0.63

0.61

0.61

0.77

0.82

0.74

0.57

Uc

Uc

1.00

0.63

1.00

0.80

0.98 (0.905-0.995)

  1. (For items 1-3, 6, 7, 10-12, 15, 16, 18, 20, 21, 22 and 25)-0: No, 1: Yes, U: Unable to determine (which received a score of 0)
  2. (For item 5)-0: No, 1: Partially, 2: Yes
  3. Abbreviations:
  4. Uc; Results not distributed appropriately for this statistic to be calculated.