Table 3.
Agreement between Diagnosis Elicited from Two Evaluations of Individual Study Physicians as Compared to Confirmed 75% Clinical Dx Abnormality*
| Physician | N (of 24) | Agreement Between Visits | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Visit 1 | Visit 2 | ||||||||
| Correct Dx |
Under Dx |
Over Dx |
Correct Dx |
Under Dx |
Over Dx |
Kappa | Z | p | |
| Comparison of Individual Physician Dx to 75 % Dx | |||||||||
| 1 | 16 | 3 | 5 | 18 | 1 | 5 | 0.45 | 2.82 | 0.0024 |
| 2 | 16 | 1 | 7 | 18 | 0 | 6 | 0.41 | 2.22 | 0.0134 |
| 3 | 19 | 0 | 5 | 19 | 0 | 5 | 0.24 | 1.19 | 0.1178 |
| 4 | 20 | 0 | 4 | 15 | 0 | 9 | 0.50 | 2.83 | 0.0023 |
| 5 | 16 | 1 | 7 | 16 | 2 | 6 | 0.48 | 2.81 | 0.0025 |
| 6 | 16 | 1 | 7 | 20 | 0 | 4 | 0.37 | 2.12 | 0.0170 |
| 7 | 17 | 2 | 5 | 21 | 2 | 1 | 0.09 | 0.66 | 0.2560 |
| 8 | 18 | 5 | 1 | 20 | 1 | 3 | 0.08 | 0.58 | 0.2799 |
| 9 | 21 | 1 | 2 | 20 | 0 | 4 | 0.51 | 3.01 | 0.0013 |
| 10 | 13 | 0 | 11 | 11 | 0 | 13 | 0.83 | 4.15 | <0.0001 |
| 11 | 12 | 2 | 10 | 16 | 0 | 8 | 0.37 | 2.12 | 0.0171 |
| 12 | 20 | 0 | 4 | 20 | 0 | 4 | 0.40 | 1.96 | 0.0250 |
| Median | 16.50 | 1.00 | 5.00 | 18.50 | 0.00 | 5.00 | 0.41 | 2.17 | |
| SD | 2.76 | 1.50 | 2.93 | 2.89 | 0.80 | 3.14 | 0.20 | 1.03 | |
| Range | 12 – 20 | 0 – 5 | 1 – 11 | 11 – 21 | 0 – 2 | 1 – 13 | 0.08 – 0.83 | 0.58 – 4.15 | |
*
The full table with comparison of individual physician signs and individual physician symptoms to confirmed 75% group Dx is given in supplementary material.