Table 4.
Repeatability of calculations of risk of coronary heart disease by general practitioners and practice nurses. Values are numbers (percentages) unless otherwise specified
| Method used to calculate risk | No of comparisons | Agreements | Disagreements
|
Direction of disagreement | k (95% CI) | |
|---|---|---|---|---|---|---|
| General practitioner high, practice nurse low | General practitioner low, practice nurse high | |||||
| Subjective risk estimate | 180 | 132 (73) | 26 (14) | 22 (12) | General practitioner higher | 0.47 (0.34 to 0.59) |
| Sheffield table | 110 | 86 (78) | 12 (11) | 12 (11) | Tied | 0.56 (0.41 to 0.71) |
| New Zealand table | 129 | 100 (78) | 16 (12) | 13 (10) | General practitioner higher | 0.55 (0.41 to 0.69) |
| European table | 143 | 108 (76) | 15 (11) | 20 (14) | Practice nurse higher | 0.51 (0.37 to 0.65) |
| British program | 93 | 75 (81) | 11 (12) | 7 (8) | General practitioner higher | 0.58 (0.41 to 0.75) |