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Table 3 One-to-one matches between grip strength and transformed ranges of random errors with 95% certainty when the grip strength is ≤20 kg

From: Test-retest reliability and measurement errors of grip strength test in patients with traumatic injuries in the upper extremity: a cross-sectional study

Grip strength Lower limit Upper limit
1.0 0.2 2.7
2.0 0.8 4.0
3.0 1.4 5.5
4.0 2.0 6.9
5.0 2.6 8.3
6.0 3.2 9.7
7.0 3.7 11.1
8.0 4.3 12.5
9.0 4.9 13.9
10.0 5.5 15.3
11.0 6.1 16.8
12.0 6.7 18.2
13.0 7.3 19.6
14.0 7.9 21.0
15.0 8.5 22.4
16.0 9.1 23.8
17.0 9.6 25.2
18.0 10.2 26.6
19.0 10.8 28.0
20.0 11.4 29.4
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