Table 3.

Multivariate regression analysis to examine the impact of 1-unit increase in the temperature, relative humidity, wind speed, and atmospheric pressure on stroke outcomes.

Independent variable	Temp. (°C) (Mean)	Adjusted odds ratio (95% CI) P	Relative humidity (%) (Mean)	Adjusted odds ratio (95% CI) P	Wind speed (m/s) (Mean)	Adjusted odds ratio (95% CI) P	Atmosp. pressure (hPa) (mean)	Adjusted odds ratio (95% CI) p
NIHSS score on discharge (>7)	27.1	0.94 (0.89–1.01) p = 0.091	21.3	0.98 (0.96–0.99) p = 0.041*	5.0	0.94 (0.87–1.015) p = 0.121	1,010.2	0.95 (0.89–1.01) p = 0.102
mRS on discharge (>2)	26.7	0.98 (0.93–1.03) p = 0.414	23.2	0.99 (0.98–1.01) p = 0.716	5.4	0.95 (0.89–1.01) p = 0.083	1,009.9	0.97 (0.92–1.02) p = 0.180
ICU admission	27.3	0.96 (0.89–1.03) p = 0.209	25.0	1.01 (0.99–1.02) p = 0.218	5.6	0.99 (0.91–1.07) p = 0.776	1,009.5	0.93 (0.87–0.99) p = 0. 045*
LOS (>1 day)	26.8	0.98 (0.91–1.07) p = 0.716	24.3	1.01 (0.99–1.04) p = 0.229	5.5	1.02 (0.93–1.12) p = 0.668	1,010.3	1.01 (0.93–1.1) p = 0.827
Medical complications
- Pneumonia	25.4	0.93 (0.84–1.02) p = 0.122	26.9	1.0 (0.98–1.02) p = 0.803	5.5	1.0 (0.91–1.12) p = 0.856	1,011.2	0.95 (0.86–1.04) p = 0.236
- UTI	26.7	1.0 (0.92–1.09) p = 0.912	25.0	1.0 (0.99–1.02) p = 0.671	5.5	1.01 (0.92–1.11) p = 0.879	1,010.5	1.0 (0.93-1.09) p = 0.877
- DVT/PE	31.8	0.89 (0.73–1.09) p = 0.262	16.4	0.98 (0.92–1.04) p = 0.518	6.0	0.98 (0.81–1.18) p = 0.812	1,004.8	0.83 (0.68–0.99) p = 0.05
- Death	27.7	0.935 (0.86–1.02) p = 0.129	23.7	1.0 (0.99–1.02) p = 0.614	5.4	0.95 (0.86–1.05) p = 0.278	1,009.0	0.90 (0.83–0.99) p = 0.022*

The bold p-value of < 0.05 was considered statistically significant.

CI, confidence interval; NIHSS, National Institutes of Health Stroke Scale; mRS, modified Rankin scale; ICU, intensive care unit; LOS, length of stay; UTI, urinary tract infection; DVT, deep vein thrombosis; PE, pulmonary embolism.