Table 1 Clinical variables of the 120 hemodialysis patients with or without low handgrip strength
Characteristics | All Patients (n = 120) | Normal HGS (n = 42) | Low HGS (n = 78) | P |
|---|---|---|---|---|
Age (years) | 63.3 ± 13.2 | 55.0 ± 10.1 | 67.8 ± 12.5 | <  0.001* |
HD duration (months) | 56.5 (23.7–123.8) | 47.4 (21.2–118.7) | 59.6 (24.1–125.3) | 0.214 |
SBP (mmHg) | 142.6 ± 27.1 | 142.6 ± 26.1 | 142.6 ± 27.8 | 0.990 |
DBP (mmHg) | 77.5 ± 16.6 | 80.2 ± 16.2 | 76.0 ± 16.8 | 0.192 |
Height (cm) | 160.1 ± 8.7 | 164.0 ± 9.8 | 158.0 ± 7.3 | 0.001* |
Post-HD body weight (kg) | 62.2 ± 14.6 | 66.8 ± 16.0 | 59.8 ± 13.3 | 0.018* |
BMI (kg/m2) | 24.1 ± 4.6 | 24.6 ± 4.5 | 23.9 ± 4.7 | 0.436 |
SMI (kg/m2) | 10.5 (8.2–13.8) | 12.0 (8.8–15.6) | 9.9 (7.5–13.4) | 0.012* |
Handgrip strength (kg) | 22.2 ± 9.7 | 31.1 ± 7.7 | 17.2 ± 6.6 | < 0.001* |
Subjective global assessment | 13.5 (10.0–17.0) | 11.0 (10.0–14.0) | 14.0 (11.0–18.0) | 0.002* |
Hemoglobin (g/dl) | 10.4 (9.7–11.1) | 10.5 (9.6–11.2) | 10.4 (9.9–11.0) | 0.789 |
Albumin (mg/dL) | 4.1 (3.9–4.4) | 4.2 (4.0–4.7) | 4.1 (3.9–4.3) | 0.133 |
Glucose (mg/dL) | 129.0 (106.3–166.8) | 123.0 (100.0–143.5) | 131.5 (110.0–174.0) | 0.058 |
Blood urea nitrogen (mg/dL) | 61.4 ± 14.2 | 64.0 ± 13.5 | 60.1 ± 14.4 | 0.150 |
Creatinine (mg/dL) | 9.6 ± 2.0 | 10.6 ± 2.2 | 9.1 ± 1.8 | <  0.001* |
Phosphorus (mg/dL) | 4.7 ± 1.3 | 4.9 ± 1.3 | 4.7 ± 1.3 | 0.492 |
Intact parathyroid hormone (pg/mL) | 206.1 (61.2–449.4) | 254.5 (107.2–499.2) | 195.0 (55.4–440.7) | 0.376 |
C-reactive protein (mg/dL) | 0.3 (0.1–0.9) | 0.3 (0.1–0.6) | 0.3 (0.1–1.0) | 0.389 |
Kt/V (Gotch) | 1.34 ± 0.17 | 1.29 ± 0.17 | 1.36 ± 0.17 | 0.020* |
URR | 0.73 ± 0.04 | 0.72 ± 0.04 | 0.74 ± 0.04 | 0.017* |