Table 1.
Demographic characteristics and medical history
| Total | GR | RR/NR | Sig. | |
|---|---|---|---|---|
| Patients | 53 | 10 (18.9) | 43 (81.2) | |
| Age | 64 (43–79) | 65 (45–78) | 64 (36–79) | 0.829 |
| Gender | ||||
| Male | 38 (71.7) | 5 (50.0) | 33 (76.7) | 0.124 |
| Female | 15 (28.3) | 5 (50.0) | 10 (23.3) | |
| Race | ||||
| Caucasian | 41 (77.4) | 9 (90.0) | 32 (74.4) | 0.800 |
| African American | 9 (17.0) | 1 (10.0) | 8 (18.6) | |
| Asian | 3 (5.7) | 0 (0.0) | 3 (7.0) | |
| Diabetes | ||||
| Yes | 14 (26.4) | 3 (30.0) | 11 (25.6) | 0.999 |
| No | 39 (73.6) | 7 (70.0) | 32 (74.4) | |
| Obesity | ||||
| Yes | 29 (54.7) | 7 (70.0) | 22 (51.2) | 0.318 |
| No | 24 (45.3) | 3 (30.0) | 21 (48.8) | |
| Heart failure | ||||
| Yes | 6 (11.3) | 0 (0.0) | 6 (14.0) | 0.581 |
| No | 47 (88.7) | 10 (100.0) | 37 (86.0) | |
| Myocardial infarction | ||||
| Yes | 3 (5.7) | 0 (0.0) | 3 (14.0) | 0.999 |
| No | 50 (94.3) | 10 (100.0) | 40 (86.0) | |
| Chronic kidney disease | ||||
| Yes | 30 (56.6) | 8 (80.0) | 22 (51.2) | 0.158 |
| No | 23 (43.4) | 2 (20.0) | 21 (48.8) | |
| Pulmonary disease | ||||
| Yes | 10 (18.9) | 1 (10.0) | 9 (20.9) | 0.665 |
| No | 43 (81.1) | 9 (90.0) | 34 (79.1) | |