Table 1 Risk of bias of included studies.

From: Exercise effects on muscle quality in older adults: a systematic review and meta-analysis

Outcome

Randomisation process

Deviation from intended interventions

Missing outcome data

Measurement of the outcome

Selection of the reported result

Overall bias

Morphological MQ, n = 11a

Low risk

2 (18.2%)

11 (100%)

10 (90.9%)

9 (81.8%)

11 (100%)

2 (18.2%)

Some concerns

8 (72.7%)

0

0

0

0

6 (54.5%)

High risk

1 (9.1%)

0

1 (9.1%)

2 (18.2%)

0

3 (27.3%)

Neuromuscular MQ, n = 14b

Low risk

1 (7.1%)

14 (100%)

13 (92.9%)

8 (57.1%)

14 (100%)

1 (7.1%)

Some concerns

8 (57.1%)

0

0

0

0

5 (35.7%)

High risk

5 (35.7%)

0

1 (7.1%)

6 (42.9%)

0

8 (57.1%)

  1. MQ, muscle quality; n, number of studies.
  2. aIntention-to-treat analyses, n = 8 and per-protocol analyses, n = 3.
  3. bIntention-to-treat analyses, n = 5 and per-protocol analyses, n = 9.