| Sept 2009–Sept 2010 | Jan 2013–Dec 2013 | Significance | |
|---|---|---|---|
| Normal | 3 (8.9%) | 4 (12.9%) | p = 0.596 |
| Minor disease | 4 (11.8%) | 10 (32.3%) | p = 0.044 |
| Single vessel | 12 (35.2%) | 6 (19.4%) | p = 0.153 |
| Two vessel | 8 (23.5%) | 9 (29%) | p = 0.617 |
| Three vessel | 7 (20.6%) | 2 (6.5% | p = 0.098 |
| Total | 34 | 31 | |