| Year; variable | Sensitivity, % (95% CI) | Specificity, % (95% CI) | Positive predictive value, % (95% CI) | Negative predictive value, % (95% CI) | κ(95% CI) | |
|---|---|---|---|---|---|---|
| 2002 | 82.2 (79.9-84.5) | 79.6 (76.9-82.3) | 83.6 (81.3-85.8) | 78.0 (75.3-80.7) | 0.62 (0.59-0.64) | |
| 2003 | 74.6 (72.5-76.7) | 79.8 (77.3-82.3) | 85.9 (84.1-87.7) | 65.5 (62.9-68.2) | 0.52 (0.50-0.54) | |
| 2004 | 77.1 (75.1-79.1) | 78.1 (75.6-80.6) | 84.4 (82.6-86.3) | 68.9 (66.3-71.5) | 0.54 (0.52-0.56) | |
| 2005 | 75.5 (73.5-77.6) | 80.9 (78.4-83.3) | 87.0 (85.3-88.7) | 66.1 (63.4-68.7) | 0.54 (0.52-0.56) | |
| 2006 | 79.5 (77.5-81.5) | 78.8 (76.3-81.3) | 85.0 (83.2-86.9) | 71.7 (69.1-74.4) | 0.57 (0.55-0.60) | |
| 2007 | 78.5 (76.4-80.6) | 71.9 (69.1-74.6) | 80.5 (78.4-82.5) | 69.3 (66.5-72.1) | 0.50 (0.48-0.52) | |
| 2008 | 80.0 (77.9-82.0) | 74.0 (71.3-76.7) | 81.9 (79.9-83.9) | 71.5 (68.7-74.3) | 0.54 (0.51-0.56) | |
| 2009 | 79.3 (77.2-81.4) | 74.5 (71.7-77.2) | 81.9 (79.9-84.0) | 71.1 (68.3-73.8) | 0.53 (0.51-0.56) | |
| 2010 | 81.8 (79.8-83.7) | 72.1 (69.3-74.8) | 81.2 (79.2-83.1) | 72.9 (70.1-75.6) | 0.54 (0.52-0.56) | |
| 2011 | 80.8 (78.8-82.9) | 71.2 (68.4-73.9) | 79.4 (77.3-81.4) | 73.0 (70.3-75.7) | 0.52 (0.50-0.55) | |
| 2012 | 82.5 (80.6-84.4) | 71.0 (68.3-73.7) | 79.8 (77.8-81.7) | 74.5 (71.9-77.1) | 0.54 (0.52-0.56) | |
| 2013 | 79.8 (77.8-81.8) | 71.9 (69.3-74.5) | 79.3 (77.3-81.3) | 72.5 (70.0-75.1) | 0.52 (0.49-0.54) | |
| Age, yr | 18-64 | 76.9 (73.9-79.9) | 77.6 (74.6-80.5) | 76.8 (73.8-79.8) | 77.7 (74.7-80.6) | 0.54 (0.52-0.57) |
| ≥ 65 | 82.4 (79.8-85.0) | 60.8 (56.0-65.7) | 81.5 (78.8-84.1) | 62.3 (57.4-67.1) | 0.43 (0.40-0.47) | |
| Sex | Male | 79.2 (76.8-81.6) | 72.1 (69.1-75.2) | 78.4 (76.0-80.9) | 73.1 (70.1-76.1) | 0.51 (0.49-0.54) |
| Female | 81.1 (77.6-84.6) | 71.3 (66.3-76.3) | 81.2 (77.7-84.6) | 71.2 (66.2-76.1) | 0.52 (0.48-0.57) | |
| City | Calgary | 76.3 (73.0-79.7) | 70.1 (66.0-74.1) | 76.8 (73.5-80.1) | 69.6 (65.5-73.6) | 0.46 (0.43-0.50) |
| Edmonton | 86.5 (84.0-89.0) | 71.5 (67.8-75.2) | 79.0 (76.2-81.9) | 81.0 (77.6-84.4) | 0.59 (0.55-0.62) | |
Note: CI = confidence interval.
*With the Alberta Provincial Project for Outcome Assessment in Coronary Heart Disease database as the reference standard.