Table 2. Illness-related hospitalizations by primary diagnosis admission under 1 year from 2002 to 2006.

Rank	Principal Diagnosis at Discharge	Number	Percent*	Mortality rate
1	Pneumonia	708948	21.22	0.95
2	Other disorders originating in the perinatal period	271743	8.13	9.74
3	Other bacterial intestinal infections	257086	7.70	1.18
4	Disorders related to short gestation and low birth weight	251837	7.54	10.94
5	Diarrhea and gastroenteritis of presumed infectious origin	236232	7.07	0.48
6	Other disorders originating in the perinatal period	228409	6.84	1
7	Asthma	160569	4.81	0.17
8	Acute bronchiolitis and bronchitis	119753	3.58	0.26
9	Other diseases of the respiratory system	84326	2.52	8.9
10	Influenza [flu]	75528	2.26	0.65
11	Other infections specific to the perinatal period	68278	2.04	2.18
12	Sepsis	60110	1.80	21.92
13	Volume depletion	53218	1.59	1
14	Other diseases of intestines and peritoneum	52632	1.58	1.51
15	Acute laryngitis and tracheitis	43175	1.29	0.1
16	Intrauterine hypoxia and birth asphyxia	39101	1.17	9.62
17	Other specified congenital infectious and parasitic diseases	37533	1.12	10
18	Inguinal hérnia	33493	1.00	0.15
19	Congenital malformations of the circulatory system	32465	0.97	16.71
20	Malnutrition	28082	0.84	4.11
21	Renal tubulo-interstitial diseases	26370	0.79	0.16
22	Congenital syphilis	19057	0.57	0.34
23	Epilepsy	18395	0.55	0.94
24	Iron deficiency anaemia and other nutritional anaemias	13362	0.40	1.62
25	Trauma Brain Injury	10678	0.32	2.76
	Total	2930380	87.72*	4.29

The total admissions in the period from 2002 to 2006 were 3,340,575.

The diagnoses listed were the top 25 most common illness-related hospitalizations by primary admission diagnosis.