BMC Primary Care

Table 4 Main sequences of length 2 accross clusters

From: Patient-oriented unsupervised learning to uncover the patterns of multimorbidity associated with stroke using primary care electronic health records

		Sequences		Statistics
Cluster#	Number of sequences^a	From	To	Support^b (%)	Confidence^c (%)
1	1334	Hypertension	Stroke	41.3	69.1
1	1334	Depression	Stroke	25.7	72.7
2	1071	Hypertension	Stroke	50.8	76.4
3	1106	Hypertension	Stroke	60.9	76.3
3	1106	Diabetes	Stroke	28.0	70.3
4	1139	Hypertension	Stroke	73.5	79.6
4	1139	Diabetes	Stroke	41.9	71.1
5	1185	Anxiety	Stroke	55.5	82.3
		Depression	Stroke	51.8	82.5
		Asthma	Stroke	37.4	92.4
		Hypertension	Stroke	28.3	67.9
6	994	Osteoarthritis	Stroke	93.1	93.4
6	994	Hypertension	Stroke	58.1	82.1
7	723	Sickle Cell Anaemia	Stroke	6.4	87.8
8	641	Stroke	Hypertension	23.0	23.0

^a Number of sequences of size 2 observed in the corresponding cluster
^b Proportion of patients presenting the sequence
^c Propotion of patients diagnosed with the second long-term condition given the first condition has been diagnosed

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