Parameter | Observed | Expected | Residual |
---|---|---|---|
Overall | Â | Â | Â |
Negative of first screen | 1114 | 1102 | 11.998 |
Positive of first screen | 105 | 117 | -11.998 |
Negative of second screen | 227 | 227.02 | -0.016 |
Positive of second screen | 10 | 8.04 | 1.9569 |
Death | 8 | 6.07 | 1.9254 |
χ2 = 2.4473 P = 0.2941 |  |  |  |
≥ 50 yrs |  |  |  |
Negative of first screen | 496 | 483.471 | 12.5289 |
Positive of first screen | 81 | 93.529 | -12.5289 |
Negative of second screen | 96 | 96.011 | -0.0109 |
Positive of second screen | 6 | 4.995 | 1.0046 |
Death | 7 | 5.447 | 1.5534 |
χ2 = 2.6481 P = 0.2661 |  |  |  |
< 50 yrs | Â | Â | Â |
Negative of first screen | 618 | 617.084 | 0.9157 |
Positive of first screen | 24 | 24.916 | -0.9157 |
Negative of second screen | 131 | 131.007 | 0.0073 |
Positive of second screen | 4 | 2.775 | 1.2246 |
Death | 1 | 0.728 | 0.2715 |
χ2 = 0.6765 P = 0.7130 |  |  |  |