Table 1
Pearson rank correlation coefficients between two six month baseline periods for requesting activity for each 1000 patients in 22 practices for 28 pathology tests
| Test | Correlation coefficient |
|---|---|
| HbAlc, glycated haemaglobin; HDL, high density lipoprotein; PSA, prostate specific antigen. | |
| Full blood count | 0.97 |
| Glucose | 0.96 |
| Prothrombin ratio | 0.96 |
| Vaginal swab | 0.96 |
| Liver enzymes | 0.95 |
| Urine microscopy/culture | 0.95 |
| Plasma viscosity | 0.93 |
| Biopsy (skin) | 0.93 |
| Thyroid | 0.91 |
| Sputum | 0.91 |
| Throat swab | 0.91 |
| Wound swab | 0.91 |
| Luteinising hormone | 0.90 |
| Microalbumin | 0.90 |
| Electrolytes | 0.89 |
| Cholesterol | 0.89 |
| PSA | 0.85 |
| Erythrocyte sedimentation rate | 0.84 |
| Follicle stimulating hormone | 0.83 |
| HbA1c | 0.80 |
| Ear swab | 0.78 |
| Ulcer swab | 0.76 |
| Ferritin | 0.74 |
| Vitamin B12 | 0.71 |
| Triglycerides | 0.69 |
| HDL cholesterol | 0.68 |
| Faeces culture | 0.61 |
| Rheumatoid factor | 0.59 |
