Table 1. Baseline comparison between group A and B.
| Index | Group A | Group B | P valued |
|---|---|---|---|
| Age | 69.92±10.68 | 75.27±8.29 | .016 |
| BMI a | 22.79±3.19 | 20.05±2.28 | < .001 |
| ALB | 38.72±3.22 | 35.36±4.75 | .001 |
| LDL | 2.57±0.69 | 2.24±0.85 | .006 |
| CHOL | 4.33±0.83 | 3.93±1.18 | .011 |
| WBC | 8.51±3.75 | 9.44±4.03 | NS |
| K | 3.89±0.45 | 3.90±0.56 | NS |
| CRE | 85.06±27.40 | 82.15±33.51 | NS |
| Neutrophil | 6.27±3.34 | 6.45±2.57 | NS |
| Lymphocyte | 1.57±0.63 | 1.38±0.61 | NS |
| HDL | 1.15±0.32 | 1.13±0.47 | NS |
| TG | 1.56±1.13 | 1.68±1.26 | NS |
| Gender (male/female) | 78/28 | 44/22 | NS |
| Smoking | 62 | 38 | NS |
| Hypertension b | 54 | 42 | NS |
| DM | 24 | 6 | NS |
| Surgery | 56 | 26 | NS |
| Heart disease | 30 | 14 | NS |
| CAD | 14 | 10 | NS |
| Bone disease | 2 | 2 | NS |
| Social statusc | NS | ||
| Bachelor and above | 12 | 8 | |
| Middle school | 76 | 43 | |
| Primary school | 18 | 15 | |
| Living condition | NS | ||
| Nursing home | 21 | 14 | |
| Private home | 85 | 52 | |
| Fontaine gradation | NS | ||
| II | 4 | 2 | |
| III | 70 | 44 | |
| IV | 32 | 20 |
a. Body mass index (BMI), Albumin (ALB), BMI, low density lipoprotein (LDL), cholesterol (CHOL), white blood cell (WBC),potassium (K), creatinine (CRE), high density lipoprotein (HDL), triglyceride (TG), coronary artery disease (CAD), diabetic mellitus (DM).
b. Comorbidity was identified by history mainly.
c. Social status was presented by educational level
d. P < .05 was considered significant different, NS: no significance.