Table 3.

Multivariable logistic regression analysis of diurnal temperature difference and sputum pathogen detection in hospitalized AECOPD patients with concurrent respiratory infections

		2013–2016		2017–2019		Total
		OR 95%CI	p	OR 95%CI	p	OR 95%CI	p
Diurnal Temperature Difference
0–6°C
6–10°C		1.45 [0.91–2.02]	0.046	1.49 [0.99–1.93]	0.048	1.47 [0.96–2.18]	0.038
11–15°C		1.76 [1.03–2.56]	0.019	1.71 [1.04–2.40]	0.023	1.73 [1.10–2.37]	0.012
>15°C		2.43 [1.26–3.61]	< 0.001	2.40 [1.24–3.55]	< 0.001	2.42 [1.56–3.29]	< 0.001
Average Relative Humidity
<75%
≥ 75%		1.47 [1.05–2.00]	0.041	1.42 [1.07–1.89]	0.048	1.46 [1.10–1.85]	0.033
Age
≤ 70
>70		1.31 [0.97–1.65]	0.153	1.25 [0.99–1.57]	0.127	1.27 [0.98–1.54]	0.220
Gender
Female
Male		1.60 [0.81–2.37]	0.311	1.54 [1.03–2.07]	0.278	1.57 [1.00–2.03]	0.189
Respiratory Failure
No
Type I		2.06 [1.15–2.98]	< 0.001	1.83 [1.22–2.75]	< 0.001	2.03 [1.20–2.89]	< 0.001