Table 2.
Handgrip strength (kg) in the general population and rheumatoid arthritis (RA) population dependent on age for male and female.
| Age (years) | General populationa |
RA populationb |
||
|---|---|---|---|---|
| Male |
Female |
Male |
Female |
|
| Mean in kg (95% CI) | Mean in kg (95% CI) | Mean in kg (95% CI) | Mean in kg (95% CI) | |
| 25 | 45.5 (43.2; 47.8) | 27.1 (24.4; 29.7) | – | – |
| 35 | 44.3 (42.7; 45.9) | 27.0 (25.2; 28.8) | 20.2 (15.0; 25.3) | 15.0 (11.2; 18.9) |
| 45 | 43.1 (41.7; 44.6) | 27.0 (25.5; 28.5) | 20.2 (16.1; 24.4) | 15.1 (12.7; 17.4) |
| 55 | 40.4 (39.1; 41.8) | 25.4 (24.1; 26.7) | 20.3 (16.4; 24.2) | 15.1 (13.3; 16.9) |
| 65 | 36.1 (35.0; 37.2) | 22.3 (21.2; 23.3) | 20.4 (16.0; 24.7) | 15.2 (12.4; 18.0) |
| 75 | 31.8 (30.5; 33.2) | 19.1 (17.9; 20.3) | – | – |
| 85 | 27.5 (25.6; 29.5) | 16.0 (14.2; 17.7) | – | – |
| 95 | 23.2 (20.6; 25.8) | 12.8 (10.4; 15.2) | – | – |
Grip strength in kg of each age is standardized for male and female.
a
Meta-regression model with change point at age 50 years.
b
Linear meta-regression model.
CI: confidence interval.