Table 2 Summary of intra- and inter-observer limits of agreement of resistivity values (Ohms) derived at 14 frequencies by firm pressure of the 12 mm probe on cervix (n = 11).
| Â | Repeatability | Reproducibility | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Â | Observer 1 | Observer 2 | Inter-observer agreement | |||||||||
Test frequency | Mean 1 st test | Mean 2 nd test | Mean difference | Limits of agreement | Mean 1 st test | Mean 2 nd test | Mean difference | Limits of agreement | Observer 1 | Observer 2 | Mean difference | Limits of agreement |
1 | 526.9 | 539.3 | -12 | -162 to 127 | 350.0 | 366.3 | -16 | -108 to 76 | 526.9 | 539.3 | 204 | -626 to 1033 |
2 | 499.6 | 512.9 | -13 | -167 to 140 | 347.2 | 362.6 | -15 | -92 to 61 | 499.6 | 512.9 | 179 | -636 to 993 |
3 | 438.7 | 453.7 | -15 | -161 to 131 | 317.6 | 329.8 | -12 | 70 to 45 | 438.7 | 453.7 | 145 | -594 to 884 |
4 | 352.2 | 365.5 | -14 | -133 to 106 | 268.2 | 275.4 | -7 | -45 to 30 | 352.2 | 365.5 | 103 | -487 to 693 |
5 | 266.0 | 278.1 | -12 | -100 to 75 | 212.6 | 219.0 | -7 | -33 to 20 | 266.0 | 278.1 | 68 | -368 to 503 |
6 | 210.3 | 215.5 | -5 | -46 to 35 | 175.8 | 181.2 | -5 | -31 to 20 | 210.3 | 215.5 | 44 | -244 to 235 |
7 | 178.8 | 181.9 | -3 | -17 to 10 | 151.9 | 157.4 | -6 | -28 to 17 | 178.8 | 181.9 | 36 | -135 to 206 |
8 | 157.9 | 158.5 | -1 | -10 to 9 | 140.8 | 145.0 | -4 | -26 to 17 | 157.9 | 158.5 | 25 | -72 to 121 |
9 | 145.6 | 146.3 | -1 | -11 to 9 | 134.1 | 136.8 | -3 | -22 to 16 | 145.6 | 146.3 | 19 | -50 to 87 |
10 | 136.8 | 136.5 | 0.5 | -10 to 11 | 128.2 | 130.8 | -3 | -22 to 17 | 136.8 | 136.5 | 15 | -40 to 71 |
11 | 129.0 | 127.7 | 1 | -9 to 11 | 123.1 | 124.6 | -1.5 | -19 to 15 | 129.0 | 127.7 | 12 | -42 to 66 |
12 | 118.9 | 117.5 | 1.5 | -5 to 8 | 112.9 | 113.2 | -0.2 | -13 to 13 | 118.9 | 117.5 | 11 | -31 to 53 |
13 | 96.6 | 96.6 | 0.1 | -8 to 8 | 95.2 | 95.9 | -0.7 | -7 to 5 | 96.6 | 96.6 | 5 | -32 to 43 |
14 | 54.6 | 54.4 | 0.5 | -9 to 10 | 55.0 | 54.9 | 0.1 | -11 to 11 | 54.6 | 54.4 | -1 | -34 to 33 |