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Table 4 Cox proportional hazards regression analysis for all-cause in-hospital mortality

From: Prognostic nomogram for inpatients with asthma exacerbation

   Hazard ratio 95% confidence interval P-value
Age (years) 18–39 Reference   
40–69 7.46 1.00–55.63 0.050
70–79 12.13 1.64–89.87 0.015
≥80 21.38 2.92–156.46 0.003
Sex (Female)   0.61 0.42–0.88 0.008
Consciousness level Alert Reference   
Dull 1.89 1.11–3.21 0.018
Somnolence 5.39 2.43–11.96 <0.001
Coma 9.68 4.18–22.41 <0.001
Dyspnea grade I Reference   
II 0.79 0.31–2.02 0.625
III 0.64 0.24–1.66 0.354
IV 0.67 0.29–1.54 0.345
V 1.51 0.71–3.20 0.284
Intubation within two days of admission   1.35 0.76–2.40 0.306
Pneumonia   1.81 1.21–2.69 0.004
Heart failure   2.08 1.41–3.06 <0.001