Table 3 Patient’s parameter values (% yes) for the most discriminative [5] predictors obtained for patients grouped using hierarchical clustering into 2 and 5 clusters
Parameter | Two-group clustering | Five-group clustering | |||||||
|---|---|---|---|---|---|---|---|---|---|
Cluster 1 (n = 70) | Cluster 2 (n = 168) | p-value | Cluster 1 (n = 28) | Cluster 2 (n = 56) | Cluster 3 (n = 42) | Cluster 4 (n = 39) | Cluster 5 (n = 73) | p-value | |
Beta blocker | 8 (11.43%) | 75 (44.64%) | < 0.0001 | 9 (32.15%) | 24 (42.86%) | 3 (7.14%) | 7 (17.95%) | 2 (2.74) | < 0.0001 |
Age | 28.79 ± 7.57 | 61.89 ± 8.70 | < 0.0001 | 51.75 ± 2.15 | 60.05 ± 2.28 | 23.26 ± 3.04 | 39.31 ± 4.80 | 69.72 ± 4.60 | < 0.0001 |
Current left foot ulceration | 1 (1.43%) | 3 (1.79%) | 0.845 | 0 (0.00%) | 1 (1.79%) | 0 (0.00%) | 1 (2.56%) | 2 (2.74%) | 0.759 |
ACEi | 3 (4.28%) | 77 (45.83%) | < 0.0001 | 14 (50.00%) | 22 (39.39%) | 0 (0.00%) | 9 (23.08%) | 35 (47.95%) | < 0.0001 |
Healed foot ulceration | 4 (5.71%) | 3 (1.78%) | 0.102 | 1 (3.57%) | 1 (1.78%) | 1 (2.38%) | 4 (10.26%) | 0 (0.00%) | 0.043 |
CV event | 0 (0.00%) | 53 (31.54%) | < 0.0001 | 3 (10.71%) | 20 (35.71%) | 0 (0.00%) | 2 (5.13%) | 28 (38.36%) | < 0.0001 |