Table 2. Effect of pneumonia on all-cause mortality of different time frame.

Variables		No. of deaths	No. of subjects	Mortality rate, %	aRR	95% CI		P value
30-day mortality								< 0.001
	Pneumonia group	111	1,629	6.81	2.69	2.14	3.38
	Non-pneumonia group	264	13,107	2.01	1
90-day mortality								< 0.001
	Pneumonia group	381	1,629	23.39	3.40	3.02	3.84
	Non-pneumonia group	723	13,107	5.52	1
180-day mortality								< 0.001
	Pneumonia group	521	1,629	32.98	2.86	2.61	3.15
	Non-pneumonia group	1,188	13,107	9.06	1
1-year mortality								< 0.001
	Pneumonia group	653	1,629	40.09	2.31	2.14	2.50
	Non-pneumonia group	1,864	13,107	14.22	1

aRR = adjusted risk ratio, CI = confidence interval.