Table 3 Quality score

Asai [87]

(x)

(x)

x

x

(x)

x

x

x

no

x

x

design is not clearly identified; differences in subgroups variables sex (f/m), no studies for accuracy of accelerometer, SEM or validity

Auvinet [74]

x

x

x

x

(x)

(x)

(x)

x

(x)

x

(x)

no studies for accuracy of equipment, SEM or validity; study is mainly descriptive: no control for baseline characteristics; sample size for subgroup “cautious gait” (< 10) low

Bauer [75]

(x)

(x)

x

(x)

x

x

x

(x)

no

x

x

design is not clearly identified

Beauchet [19]

x

(x)

x

x

no

x

x

x

no

x

x

design is not clearly identified; stopwatch as measurement

Bootsma-van der Wiel [76]

x

x

x

(x)

no

x

x

(x)

x

(x)

x

no description of BMI or weight; no report of variance; stopwatch as primary measurement tool

Donoghue [88]

x

x

x

x

x

x

x

no

no

x

x

no reporting of estimate variance in results and confounding

Freire Junior [21]

x

(x)

(x)

(x)

x

x

x

no

x

x

x

design is not clearly identified; no sufficient description of the population group; no medications or comorbidities reported

Howcroft [77]

x

(x)

x

no

x

(x)

x

no

no

x

x

no gait specifications: design is not clearly identified; no description of BMI, cognition or number of medications, no baseline comparison reported

Johannsson [78]

(x)

x

(x)

x

x

x

(x)

x

x

x

x

no mention of clear gait parameters (“challenging gait conditions”); research question and hypothesis missing; no sufficient information; in the method section

Mirelman [79]

x

(x)

x

x

x

x

x

x

no

x

x

design is not clearly identified

Muhaidat [20]

x

(x)

x

(x)

no

(x)

x

no

(x)

x

x

design is not clearly identified; no description number of medications/drugs or disease; stopwatch used as primary measurement tool; pilot study with small sample size (no sample size calculation); differences of baseline characteristics reported but no statistical analysis done

Nordin [80]

x

x

x

x

x

x

x

no

no

(x)

x

only medians reported

Reelick [81]

(x)

(x)

(x)

x

x

(x)

(x)

x

no

x

x

no gait specifications; design is not clearly identified, no description of BMI or height; small sample size

Reelick [89]

x

(x)

(x)

x

x

(x)

(x)

x

no

x

x

design is not clearly identified, small sample size

Springer [82]

x

(x)

(x)

(x)

(x)

(x)

x

(x)

x

(x)

x

no sufficient information about study design; no description number of medications/drugs or disease

Toulotte [83]

(x)

x

x

(x)

x

(x)

x

x

x

x

x

research question is not precise; no description number of global cognition and medication use or diseases

Toulotte [84]

x

(x)

x

(x)

x

(x)

(x)

x

x

x

x

No description of global cognition; report of means and estimate of variance in main results are missing

Verghese [85]

(x)

(x)

x

(x)

x

x

x

(x)

no

(x)

x

research question is unclear; study design unclear; no report of variance

Wollesen [90]

x

x

x

x

x

x

x

x

x

x

x

Yamada [86]

(x)

(x)

no

(x)

(x)

no

(x)

no

no

no

no

research question and hypothesis missing; insufficient information of the other items