Table 1.
Characteristics of hemodialyzed patients.
| Variable | Male | Female | P-value | All |
|---|---|---|---|---|
| Age, yr | 54.4 (13.7) | 57.7 (13.3) | NS | 55.6 (13.6) |
| Weight, kg | 78.4 (16.4) | 61.8 (13.3) | < 0.001 | 72.4 (18.1) |
| Height, m | 1.70 (0.08) | 1.54 (0.07) | < 0.001 | 1.63 (0,10) |
| Time in HD, months | 52.0 (55) | 47.2 (50.8) | NS | 51.7 (55.8) |
| BMI, kg/m2 | 27.0 (5.1) | 26.2 (5.3) | NS | 26.8 (5.4) |
| BMC, g | 2616 (546) | 1809 (340) | < 0.001 | 2298 (618) |
| FAT, kg | 24.7 (11.1) | 24.2 (10.4) | NS | 24.7 (10.5) |
| FAT, % | 30.2 (8.7) | 38.7 (8.6) | < 0.001 | 36.6 (9.6) |
| A/G index | 1.2 (0.3) | 0.9 (0.2) | < 0.001 | 1.09 (0.3) |
| MM arms, kg | 5.8 (1.1) | 3.5 (0.7) | < 0.001 | 4.9 (1.4) |
| MM legs, kg | 16.4 (2.6) | 10.7 (1.9) | < 0.001 | 13.9 (1.8) |
| AMM, kg | 28.8 (2.8) | 14.3 (2.4) | < 0.001 | 19.2 (5.0) |
| SMI, kg/m2 | 7.6 (0.9) | 5.9 (0.9) | < 0.001 | 6.9 (1.2) |
| Hand grip strength, kg | 31.4 (8.7) | 18.0 (4.4) | < 0.001 | 26.3 (9.8) |
| Gait speed, m/sec | 1.01 (0.35) | 0.94 (0.26) | NS | 0.98 (0.32) |
| Sit/Stand, s | 12.06 (3.85) | 12.82 (3.35) | NS | 12.3 (3.3) |
| Albumin, g/dL | 4.1 (0.3) | 4.1 (0.3) | NS | 4.1 (0,3) |
| CRP, mg/dL | 1.1 (0,3) | 1.1 (0,3) | NS | 1.1 (0,3) |
| Creatinine, mg/dL | 9.6 (2,7) | 7.9 (1.9) | < 0.05 | 8.9 (2.5) |
| Calcium, mg/dL | 8.7 (0.6) | 8.9 (0.5) | < 0.05 | 8.8 (0.5) |
| Phosphate, mg/dL | 4.9 (0.9) | 5.04 (0.9) | NS | 4.9 (0.9) |
| iPTH, pg/mL | 610 (466) | 563 (388) | NS | 591 (435) |
| ALP, IU | 134 (128) | 128 (109) | NS | 131 (120) |
| Hematocrit, % | 34.5 (3.2) | 33.8 (3.4) | NS | 34.2 (3.3) |
| Hemoglobin, g/dL | 11.35 (1.0) | 10.9 (1.1) | NS | 11.2 (1.1) |
Mean (SD); HD, hemodialysis, BMI, body mass index; A/G, android/gynoid; BMC, bone mineral content; MM, muscle mass; AMM, appendicular muscle mass; SMI, skeletal mass index; CRP, C-reactive protein; iPTH intact parathyroid hormone; ALP, alkaline phosphatase; NS: not significant.