Table 2.

Clinical phenomes of patients with severe acute pneumonia (SAP), acute pulmonary embolism (APE), or acute exacerbation of chronic pulmonary diseases (AECPD) with statistical significance between each two groups

	APE vs SAP		AECPD vs SAP		AECPD vs APE
	Fold	p value	Fold	p value	Fold	p value
Cough	0.21	0.01*	0.95	0.84	4.48	0.04*
d-dimer (mg/l)	1.32	0.19	0.46	0.16	0.35	0.01*
Wheeze	0.29	0.22	1	0.04*	3.29	0.27
Chest auscultation	0.01	0.04*	0.55	0.33	46.43	0.17
C-reaction protein	0.63	0.37	0.28	0.02*	0.43	0.23
Pulmonary embolism	6.32	0.00*	0.92	0.95	0.14	0.00*
Respiratory rate (times/min)	0.02	0.01*	0.41	0.25	24.25	0.46
Fever (℃)	0.49	0.43	0.14	0.04*	0.29	0.38
Prothrombin time (s)	2.62	0.24	0.00	0.13	0.00	0.02*
Performance status scores	0.35	0.30	0.00	0.03*	0.00	0.04*
Hemoglobin (g/l)	0.79	0.80	0.00	0.02*	0.00	0.20
Blood platelet (*109)	0.00	0.08	0.00	0.02*
Lung consolidation	0.00	0.13	0.00	0.04*

Folds of digital evaluation score system (DESS) scores above SAP or APE were also listed

*The symptoms with statistical significance compared with the two groups of diseases (p<0.05)