Table 2. Complications for patients with severe pneumonia.

Item	Pulmonary edema			Bronchial dilation			Infectious shock			Respiratory tract infections			Hemoptysis
	Yes	No		Yes	No		Yes	No		Yes	No		Yes	No
With negative emotions, n (%)	11 (47.8)	51 (23.2)		7 (35.0)	55 (24.7)		10 (90.9)	52 (22.4)		7 (43.8)	55 (24.2)		10 (83.3)	52 (22.5)
No negative emotions, n (%)	12 (52.2)	169 (76.8)		13 (65.0)	168 (75.3)		1 (9.1)	180 (77.6)		9 (56.3)	172 (75.8)		2 (16.7)	179 (77.5)
χ2	6.655			1.032			25.926			2.997			22.205
P	0.010			0.310			0.000			0.083			0.000