TABLE 6.
Registry as gold‐standard (n = 1 study)
| Author, year | Years of data collection | Codes used | Case identification method definitions | N | Se (95% CI) | Sp (95% CI) | PPV (95% CI) | NPV (95% CI) | Characteristics |
|---|---|---|---|---|---|---|---|---|---|
| Martin et al., 2014 | 2002–2008 | ICD‐10: E65–E68. | ≥1 diagnostic code for obesity in any position in the 25 diagnosis coding fields. | ||||||
| Overall | 17 380 | 7.75 (‐) | 98.98 (‐) | 65.94 (61.38–70.51) | 80.84 (‐) | 2002–2008 | |||
| Year | 17 380 | 8.24 (‐) | 98.49 (‐) | 58.82 (48.36–69.29) | 80.41 (‐) | 2002 | |||
| 9.48 (‐) | 98.58 (‐) | 61.25 (50.57–71.93) | 82.16 (‐) | 2003 | |||||
| 8.69 (‐) | 99.14 (‐) | 73.13 (62.52–83.75) | 80.02 (‐) | 2004 | |||||
| 5.81 (‐) | 99.34 (‐) | 69.05 (55.07–83.03) | 80.60 (‐) | 2005 | |||||
| 6.44 (‐) | 99.53 (‐) | 76.92 (63.70–90.15) | 81.38 (‐) | 2006 | |||||
| 5.87 (‐) | 99.14 (‐) | 63.41 (48.67–78.16) | 80.64 (‐) | 2007 | |||||
| 9.37 (‐) | 98.78 (‐) | 66.67 (54.74–78.59) | 80.67 (‐) | 2008 | |||||
| Age | 17 380 | 7.58 (‐) | 99.03 (‐) | 68.57 (‐) | 79.27 (‐) | <55 years old | |||
| 7.63 (‐) | 98.77 (‐) | 63.64 (‐) | 79.19 (‐) | 55–65 years old | |||||
| 8.02 (‐) | 99.06 (‐) | 69.49 (‐) | 80.08 (‐) | 65–75 years old | |||||
| 7.76 (‐) | 99.08 (‐) | 60.00 (‐) | 85.85 (‐) | ≥75 years old | |||||
| Gender | 17 380 | 9.84 (‐) | 98.79 (‐) | 76.26 (‐) | 73.52 (‐) | Female | |||
| 6.14 (‐) | 99.06 (‐) | 56.48 (‐) | 84.11 (‐) | Male | |||||
| Indication for coronary catheterization | 17 380 | 8.77 (‐) | 98.92 (‐) | 68.99 (‐) | 79.81 (‐) | Stable angina | |||
| 7.85 (‐) | 98.92 (‐) | 63.19 (‐) | 82.01 (‐) | MI | |||||
| 6.88 (‐) | 98.85 (‐) | 63.74 (‐) | 78.28 (‐) | Unstable angina | |||||
| 6.52 (‐) | 99.54 (‐) | 74.19 (‐) | 83.87 (‐) | Other | |||||
| Diabetes | 17 380 | 6.18 (‐) | 99.19 (‐) | 62.55 (‐) | 82.86 (‐) | No | |||
| 11.39 (‐) | 98.08 (‐) | 70.76 (‐) | 73.05 (‐) | Yes | |||||
| CVD | 17 380 | 7.49 (‐) | 98.98 (‐) | 65.07 (‐) | 80.85 (‐) | No history | |||
| 10.94 (‐) | 99.00 (‐) | 74.36 (‐) | 80.73 (‐) | History | |||||
| CHF | 17 380 | 7.64 (‐) | 98.98 (‐) | 65.73 (‐) | 80.74 (‐) | No | |||
| 8.46 (‐) | 98.99 (‐) | 67.24 (‐) | 81.48 (‐) | Yes | |||||
| Hypertension | 17 380 | 7.80 (‐) | 99.18 (‐) | 63.87 (‐) | 85.27 (‐) | No | |||
| 7.73 (‐) | 98.86 (‐) | 66.78 (‐) | 78.36 (‐) | Yes | |||||
| Hyperlipidaemia | 17 380 | 7.83 (‐) | 98.87 (‐) | 65.11 (‐) | 79.91 (‐) | No | |||
| 7.49 (‐) | 99.27 (‐) | 68.82 (‐) | 83.27 (‐) | Yes | |||||
| Prior MI | 17 380 | 7.43 (‐) | 98.99 (‐) | 65.66 (‐) | 80.59 (‐) | No | |||
| 8.73 (‐) | 98.95 (‐) | 66.96 (‐) | 81.60 (‐) | Yes | |||||
Abbreviations: BMI, body mass index; CHF, congestive heart failure; CI, confidence interval; CVD, cerebrovascular diseases; ICD‐10, International Classification of Diseases, 10th Revision; N, number; MI, myocardial infarction; NPV, negative predictive value; PPV, positive predictive value; Se, sensitivity; Sp, specificity.