Table 3.
Association Analysis Between the Meteorological Variables and Ischemic Stroke Hospitalization
| Meteorological Variables | Estimate (95% CI) | ||||
|---|---|---|---|---|---|
| All Patients (n=946) | Male (n=558) | Female (n=388) | <75 Years Old (n=553) | ≥75 Years Old (n=393) | |
| Temperature mean | −0.006 (−0.015, 0.003) | −0.003 (−0.017, 0.011) | −0.008 (−0.020, 0.004) | −0.002 (−0.014, 0.009) | −0.011 (−0.025, 0.003) |
| Minimum temperature | −0.010 (−0.019, 0.000) | −0.009 (−0.024, 0.006) | −0.010 (−0.023, 0.003) | −0.005 (−0.018, 0.007) | −0.009 (−0.021, 0.002) |
| Maximum temperature | −0.003 (−0.011, 0.005) | 0.002 (−0.011, 0.014) | −0.006 (−0.016, 0.005) | 0.000 (−0.010, 0.011) | −0.007 (−0.020, 0.005) |
| Diurnal variation of temperature | 0.020* (0.001, 0.038) | 0.005 (−0.019, 0.029) | 0.041** (0.012, 0.069) | 0.012 (−0.002, 0.017) | 0.016* (0.005, 0.028) |
| Barometric pressure mean | 0.010* (0.001, 0.019) | 0.000 (−0.014, 0.014) | 0.017** (0.005, 0.029) | 0.007 (−0.004, 0.019) | 0.012* (0.003, 0.020) |
| Minimum barometric pressure | 0.010* (0.001, 0.019) | 0.000 (−0.014, 0.013) | 0.017** (0.006, 0.029) | 0.008 (−0.004, 0.019) | 0.014* (0.001, 0.027) |
| Maximum barometric pressure | 0.008 (−0.001, 0.017) | 0.000 (−0.014, 0.015) | 0.013* (0.001, 0.025) | 0.005 (−0.008, 0.017) | 0.012 (−0.002, 0.027) |
| Diurnal variation of barometric pressure | 0.012 (0.000, 0.023) | 0.000 (−0.019, 0.018) | 0.020* (0.004, 0.035) | 0.012 (−0.003, 0.028) | 0.017* (0.004, 0.027) |
| Relative humidity | −0.002 (−0.006, 0.002) | −0.003 (−0.009, 0.002) | 0.000 (−0.007, 0.006) | −0.003 (−0.008, 0.002) | −0.001 (−0.008, 0.005) |
Notes: Models are fitted separately for each meteorological parameter after adjusting for day of week, public holiday and air quality index using generalized linear Poisson regression; *p<0.05, **p<0.01.
Abbreviation: CI, confidence interval.