Table 4. Thresholded Betweenness-Centrality Rankings - Low Income Population.

Rank	ICD Code	Betweenness Centrality	Diagnosis Name	ICD Code	Betweenness Centrality	Diagnosis Name
	Threshold - 1.25			Threshold - 1.50
1	305	0.218	Nondependent abuse of drugs	305	0.200	Nondependent abuse of drugs
2	250	0.179	Diabetes mellitus	250	0.045	Diabetes mellitus
3	401	0.036	Essential hypertension	491	0.012	Chronic bronchitis
4	496	0.034	Chronic airway obstruction	401	0.012	Essential hypertension
5	571	0.025	Chronic liver disease and cirrhosis	295	0.012	Schizophrenic disorders
	Threshold - 1.75			Threshold - 2.0
1	305	0.070	Nondependent abuse of drugs	305	0.020	Nondependent abuse of drugs
2	250	0.012	Diabetes mellitus	295	0.007	Schizophrenic disorders
3	70	0.010	Viral hepatitis	491	0.005	Chronic bronchitis
4	491	0.008	Chronic bronchitis	70	0.004	Viral hepatitis
5	295	0.006	Schizophrenic disorders	250	0.001	Diabetes mellitus