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Table 18 Partitioning the diseases into 17 categories according to the ICD9 codes to obtain a coarse-grained characterization of the disease networks

From: Statistical methods for constructing disease comorbidity networks from longitudinal inpatient data

  Diseases in category #diseases %diseases # prevalence %prevalence
1 Infectious and parasitic diseases 115 12.57 196992 3.02
2 Neoplasms 93 10.16 376196 5.76
3 Endocrine; nutritional and metabolic diseases; and immunity disorders 39 4.26 763009 11.68
4 Diseases of the blood and blood-forming organs 10 1.09 222671 3.41
5 Mental disorders 30 3.28 308321 4.72
6 Diseases of the nervous system and sense organs 67 7.32 489541 7.50
7 Diseases of the circulatory system 59 6.45 1090435 16.70
8 Diseases of the respiratory system 51 5.57 475937 7.29
9 Diseases of the digestive system 49 5.36 494421 7.57
10 Diseases of the genitourinary system 47 5.14 458440 7.02
11 Complications of pregnancy; childbirth; and the puerperium 49 5.36 436281 6.68
12 Diseases of the skin and subcutaneous tissue 26 2.84 96032 1.47
13 Diseases of the musculoskeletal system and connective tissue 30 3.28 308908 4.73
14 Congenital anomalies 20 2.19 54916 0.84
15 Certain conditions originating in the perinatal period 20 2.19 114847 1.76
16 Symptoms; signs; and ill-defined conditions 20 2.19 331657 5.08
17 Injury and poisoning 190 20.77 311892 4.78