Table 2. Frequency of morbidity and mortality of the studied population based on age.

Age (years)	Admissions (%)	Deaths (%)	M. rate (%)	X2	Df	P-value
<1	5,652 (11.5)	253 (11.5)	4.5	4887.235a	5	0.000
1–4	5,764 (11.7)	138 (6.3)	2.4	2973.53b	1	0.000
5–14	2,954 (6.0)	102 (4.6)	3.4
15–45	28,535 (57.9)	829 (37.7)	2.9
46–64	4,255 (8.6)	523 (23.8)	12.3
≥65	2,127 (4.3)	353 (16.1)	16.6

M.: mortality

^a: Pearson Chi-square coefficient

^b: Mantel Haenzel test for trend (linear by linear association)