Table 3.
Differences between the SPPB and hand grip strength groups.
| SPPB ≥ 10 (n = 227) Mean ± SD |
SPPB < 10 (n = 69) Mean ± SD |
p Value | Normal Hand Grip Strength (n = 238) Mean ± SD |
Low Hand Grip Strength (n = 58) Mean ± SD |
p Value | |
|---|---|---|---|---|---|---|
| Age (years) | 67 ± 9.9 | 73.2 ± 9.9 | <0.001 | 67 ± 10 | 74.3 ± 9.2 | <0.001 |
| BMI (kg/m2) | 26.9 ± 4.9 | 27.7 ± 6.3 | 0.29 | 27.5 ± 5.3 | 25.8 ± 5.1 | 0.033 |
| Hand grip strength (kg) | ||||||
| Men | 35.2 ± 7.7 | 25.4 ± 6.5 | <0.001 | 37.3 ± 6.1 | 21.8 ± 4 | <0.001 |
| Women | 22.7 ± 4.5 | 17.1 ± 4.2 | <0.001 | 22.6 ± 4 | 13.3 ± 1.6 | <0.001 |
| Brachial circumference (cm) | 28.8 ± 3.8 | 28.4 ± 4.8 | 0.49 | 29.1 ± 3.8 | 27 ± 4.6 | <0.001 |
| Albumin (g/dL) | 3.7 ± 0.5 | 3.5 ± 0.5 | 0.003 | 3.7 ± 0.4 | 3.5 ± 0.6 | 0.006 |
| CRP (mg/dL) | 7.7 ± 11.8 | 17.9 ± 26 | 0.003 | 7.1 ± 9 | 19.5 ± 29 | <0.001 |
| CRP/albumin ratio | 2.3 ± 3.9 | 6.7 ± 11.7 | 0.001 | 2 ± 2.7 | 7.4 ± 12.4 | <0.001 |
| Length of stay (days) | 11.1 ± 8.9 | 14.1 ± 9.4 | 0.018 | 11.2 ± 9.2 | 13.8 ± 8.1 | 0.058 |
Abbreviations: SPPB = Short Physical Performance Battery; SD = standard deviation; BMI = body mass index; CRP = C-reactive protein.