Table 5.

Change in heart rate upon the assumption of an upright position and comparisons between clusters

	Cluster 1	Cluster 2	Cluster 3	Cluster 4	Cluster 5	Cluster 6	Cluster 7	Cluster 8
	(n = 24)	(n = 2)	(n = 20)	(n = 33)	(n = 23)	(n = 3)	(n = 28)	(n = 26)
median (range)	7 (−6, 16)	23 (11, 35)	25 (17, 40)	13 (8, 22)	4 (−1, 8)	2 (−6, 5)	3 (−10, 8)	4 (−2, 12)
Comparison p‐values
Cluster 1	NA	<0.0001	<0.0001	<0.0001	0.0213	0.0147	<0.0001	0.0293
Cluster 2		NA	0.6843	0.0043	<0.0001	<0.0001	<0.0001	<0.0001
Cluster 3			NA	<0.0001	<0.0001	<0.0001	<0.0001	<0.0001
Cluster 4				NA	<0.0001	<0.0001	<0.0001	<0.0001
Cluster 5					NA	0.1773	0.0419	0.8452
Cluster 6						NA	0.6758	0.1474
Cluster 7							NA	0.0214
Cluster 8								NA

Change in heart rate (BPM) is compared between each cluster.