Risk scores at baseline and baseline complete blood count and basic metabolic profile laboratory findings, by sex, of individuals selected for study from the GWTG-HF registry at Essentia Health (consecutive inpatients age ≥18 years with HF admitted from July 2017 through June 2019)
| Characteristic | Overall | Females | Males | P value |
| GWTG-HF score (n=300) | 42.0±8.7 | 40.6±8.8 | 43.3±8.5 | 0.008 |
| 30-day IMRS* (n=703) | * | 16.7±3.9 | 16.0±3.7 | 0.012 |
| 1-year IMRS* (n=703) | * | 14.5±3.5 | 14.7±3.5 | 0.43 |
| RBC (×106/µL) | 4.03±0.82 | 3.88±0.73 | 4.15±0.87 | <0.001 |
| Haemoglobin (g/dL) | 11.7±2.3 | 11.3±2.0 | 12.1±2.4 | <0.001 |
| Haematocrit (%) | 36.6±6.7 | 35.5±5.9 | 37.5±7.1 | <0.001 |
| WBC (×109/L) | 8.96±3.59 | 8.84±3.28 | 9.05±3.82 | 0.44 |
| MCV (fL) | 91.2±7.7 | 91.3±7.8 | 91.1±7.6 | 0.84 |
| RDW (%) | 15.8±2.4 | 15.8±2.4 | 15.9±2.5 | 0.57 |
| MCH (pg) | 30.8±2.7 | 30.7±2.6 | 30.9±2.7 | 0.22 |
| MCHC (g/dL) | 32.1±1.5 | 31.9±1.5 | 32.2±1.5 | 0.002 |
| MPV (fL) | 9.77±1.12 | 10.34±1.14 | 9.14±0.71 | 0.015 |
| Sodium (mmol/L) | 136.9±4.8 | 137.0±4.7 | 136.9±4.9 | 0.64 |
| Potassium (mmol/L) | 4.20±0.61 | 4.15±0.61 | 4.24±0.61 | 0.06 |
| Calcium (mg/dL) | 9.04±0.80 | 9.16±0.69 | 8.94±0.86 | <0.001 |
| Bicarbonate (mmol/L) | 25.0±4.8 | 25.2±5.0 | 24.8±4.6 | 0.28 |
| Creatinine (mg/dL) | 1.49±0.89 | 1.30±0.65 | 1.63±1.02 | <0.001 |
| BUN (mg/dL) | 31.4±20.1 | 29.9±20.2 | 32.6±19.9 | 0.07 |
| Glucose (mg/dL) | 143±69 | 136±63 | 149±72 | 0.015 |
*This risk score was developed with sex-specific weights for risk components; thus, an overall mean is not reported.
GWTG-HF, Get With The Guidelines—Heart Failure; IMRS, Intermountain Mortality Risk Score.