Table 5.
HRs for out-of-hospital non-DOA cardiac arrests versus daily FRM exposures (measured according to the FRM) by presenting heart rhythm and daily lag.
| All
|
Asystole
|
Vfib
|
PEA
|
|||||
|---|---|---|---|---|---|---|---|---|
| Laga | No. | HR (95% CI) | No. | HR (95% CI) | No. | HR (95% CI) | No. | HR (95% CI) |
| Lag0d | 1,343 | 1.02 (0.94–1.11) | 673 | 1.03 (0.91–1.17) | 312 | 1.08 (0.92–1.28) | 335 | 0.92 (0.77–1.08) |
| Lag1d | 1,340 | 1.00 (0.92–1.08) | 675 | 1.00 (0.89–1.13) | 309 | 1.02 (0.87–1.21) | 333 | 0.98 (0.83–1.15) |
| Lag2d | 1,346 | 0.98 (0.90–1.06) | 677 | 1.01 (0.90–1.13) | 312 | 0.96 (0.80–1.14) | 335 | 0.96 (0.82–1.14) |
| Lag3d | 1,348 | 1.00 (0.92–1.08) | 673 | 0.98 (0.87–1.10) | 314 | 1.10 (0.93–1.31) | 338 | 0.95 (0.82–1.10) |
| Lag01d | 1,323 | 1.02 (0.92–1.12) | 665 | 1.03 (0.90–1.18) | 308 | 1.06 (0.88–1.28) | 327 | 0.96 (0.80–1.17) |
| Lag02d | 1,302 | 1.01 (0.91–1.12) | 655 | 1.05 (0.90–1.22) | 304 | 1.01 (0.82–1.25) | 321 | 0.98 (0.80–1.21) |
| Lag03d | 1,288 | 1.02 (0.91–1.14) | 644 | 1.04 (0.88–1.22) | 303 | 1.05 (0.83–1.32) | 319 | 0.98 (0.78–1.21) |
Abbreviations: PEA, pulseless electrical activity; Vfib, ventricular fibrillation.
a
Lag0d, exposure on day of cardiac arrest; Lag1d, exposure on day before cardiac arrest, etc.; lag01d, average of lag0d and lag1d; lag02d, average of lag0d, lag1d, and lag2d; lag03d, exposure of lag0d, lag1d, lag2d, and lag3d.