Table 2.
Accuracy of self-reported colorectal cancer screening history compared with medical records
| SCREENING METHODS | NONRANDOM AGREEMENT
|
CONCORDANCE
|
SENSITIVITY
|
SPECIFICITY
|
POSITIVE PREDICTIVE VALUE
|
NEGATIVE PREDICTIVE VALUE
|
||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| κ SCORE | 95% CI | % | 95% CI | % | 95% CI | % | 95% CI | % | 95% CI | % | 95% CI | |
| Any screening | 0.66 | 0.53–0.79 | 84.9 | 78.1–90.3 | 76.0 | 61.8–86.9 | 89.6 | 81.7–94.9 | 79.2 | 65.0–89.5 | 87.8 | 0.79–0.93 |
| Fecal occult blood test within past 2 years | 0.47 | 0.28–0.65 | 84.2 | 77.3–89.7 | 55.6 | 35.3–74.5 | 90.8 | 84.1–95.3 | 57.7 | 36.9–76.6 | 90.0 | 83.2–94.7 |
| Endoscopy within past 5 years | 0.74 | 0.60–0.88 | 91.8 | 86.1–95.7 | 76.7 | 57.7–90.1 | 95.7 | 90.2–98.6 | 82.1 | 63.1–93.9 | 94.1 | 88.1–97.6 |