Table 2.
Multivariate logistic regression models for predicting downstream testing (Outcome 1). Abbreviations: BMI body mass index; CACS coronary calcium score; OR odds ratio
| Outcome: downstream testing | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Model 1 | Model 2 | Model 3 | ||||||||
| OR | 95% CI | p value | OR | 95% CI | p value | OR | 95% CI | p value | ||
| BMI | 1.01 | 1.00–1.02 | 0.02 | 1.01 | 1.00–1.02 | 0.11 | 0.99 | 0.98–1.00 | 0.22 | |
| Frequency | 1.01 | 1.00–1.02 | < 0.01 | 1.02 | 1.01–1.03 | < 0.001 | 1.03 | 1.02–1.04 | < 0.001 | |
| Rhythm | Sinus | Reference | Reference | Reference | ||||||
| Irregular | 2.70 | 1.93–3.81 | < 0.001 | 1.76 | 1.22–2.56 | < 0.01 | 2.12 | 1.39–3.23 | < 0.001 | |
| Age | 1.07 | 1.06–1.08 | < 0.001 | 1.01 | 1.00–1.02 | 0.06 | ||||
| Sex | Female | Reference | Reference | |||||||
| Male | 2.00 | 1.72–2.33 | < 0.001 | 1.02 | 0.85–1.23 | 0.80 | ||||
| Angina | Non-specific | Reference | Reference | |||||||
| Atypical | 1.15 | 0.99–1.34 | 0.07 | 1.29 | 1.08–1.54 | < 0.01 | ||||
| Typical | 1.69 | 1.33–2.15 | < 0.001 | 1.64 | 1.24–2.17 | < 0.001 | ||||
| CACS | 0 | Reference | ||||||||
| 1–10 | 2.46 | 1.70–3.53 | < 0.001 | |||||||
| 11–100 | 4.23 | 3.31–5.42 | < 0.001 | |||||||
| 101–400 | 12.34 | 9.56–15.99 | < 0.001 | |||||||
| 401–1000 | 33.83 | 24.43–47.29 | < 0.001 | |||||||
| > 1000 | 164.90 | 91.20–325.50 | < 0.001 | |||||||
| R2 | 0.021 | 0.169 | 0.423 | |||||||