Table 2.
Baseline laboratory and electrocardiographic findings of men and women in the cardiorespiratory fitness and hospitalization events in armed forces study
| Men (n = 3669) | Women (n = 411) | |
| Blood routine | ||
| Hemoglobin (g/dL) | 15.2 ± 1.0 | 13.0 ± 1.0 |
| Mean corpuscular volume (fl) | 85.1 ± 6.3 | 85.2 ± 6.8 |
| RBC count (106/μL) | 5.3 ± 0.5 | 4.7 ± 0.4 |
| WBC count (103/μL) | 6.8 ± 1.7 | 6.6 ± 1.7 |
| Platelet count (103/μL) | 252.9 ± 50.5 | 274.5 ± 53.1 |
| Blood biochemistry | ||
| Fasting glucose (mg/dL) | 93.6 ± 13.4 | 89.1 ± 7.5 |
| Total cholesterol (mg/dL) | 174.4 ± 34.0 | 167.4 ± 29.1 |
| LDL-cholesterol (mg/dL) | 106.0 ± 29.7 | 93.5 ± 25.3 |
| HDL-cholesterol (mg/dL) | 47.9 ± 9.8 | 56.9 ± 11.0 |
| Triglycerides (mg/dL) | 115.1 ± 100.3 | 77.7 ± 38.9 |
| BUN (mg/dL) | 12.9 ± 2.8 | 10.7 ± 2.4 |
| Creatinine (mg/dL) | 1.0 ± 0.1 | 0.7 ± 0.1 |
| eGFR (mL/min per 1.73 m2) | 99.8 ± 14.2 | 109.4 ± 18.4 |
| Uric acid (mg/dL) | 6.7 ± 1.3 | 4.7 ± 0.9 |
| AST (U/L) | 20.7 ± 8.9 | 16.2 ± 5.2 |
| ALT (U/L) | 23.1 ± 17.7 | 12.5 ± 7.3 |
| Urinalysis (%) | ||
| Protein > 1+ | 10.3 | 10.5 |
| RBC > 1+ | 5.3 | 17.4 |
| Occult blood > 1+ | 3.4 | 17.8 |
| WBC > 6-10 | 2.1 | 11.2 |
| Bacteria > 1+ | 2.6 | 22.4 |
| 12-lead electrocardiography (%) | ||
| LVH/RVH/IVCD | 17.3/1.0/0.2 | 2.0/0.2/0 |
| LAE/RAE | 0.2/0.2 | 0.2/0 |
| ICRBBB/CRBBB | 3.9/0.5 | 0.73/0 |
| LAFB/LPFB | 0.7/0.2 | 0/0 |
| 1st degree atrioventricular block | 3.8 | 3.4 |
| PACs/PVCs | 0.4/0.6 | 0.2/0.2 |
Data were presented as the mean ± SD and percentage (%). ALT: Alanine transaminase; AST: Aspartate transaminase; BUN: Blood urea nitrogen; CHIEF: Cardiopulmonary fitness and hospitalization events in armed forces; CRBBB: Complete right bundle branch block; eGFR: Estimated glomerular filtration rate; HDL: High-density lipoprotein; ICRBBB: Incomplete complete right bundle branch block; IVCD: Intraventricular conduction delay; LAE: Left atrial enlargement; LAFB: Left anterior fascicular block; LPFB: Left posterior fascicular block; LDL: Low-density lipoprotein; LVH: Left ventricular ventricular hypertrophy; PACs: Premature atrial contractures; PVCs: Premature ventricular contractures; RAE: Right atrial enlargement; RBC: Red blood cell; RVH: Right ventricular hypertrophy; WBC: White blood cell.