Table 1. Univariate analysis of factors using logistic regression.

Factors	Combined group (n = 42)	Pneumonia group (n = 170)	Z/χ2	p
Age	11.5 (4.25, 15)	7 (5.00, 8.00)	3.063	0.002
Gender (M/F)	16/26	84/86	1.731	0.188
Location Type (urban/rural)	8/34	159/11	111.739	<0.001
History of fever (yes/no)	19.23	154/16	46.140	<0.001
History of cough (yes/no)	36/6	169/1	5.611	<0.001
Duration of cough (days)	26 (10.00, 57.50)	4 (3.00, 6.00)	6.341	<0.001
Wet rhonchi (yes/no)	10/32	83/87	8.557	0.003