Table 1:
Patient and Surgical Characteristics
| Non-Frail N=89 | Frail N=44 | P-value | |
|---|---|---|---|
| Age (years), mean (SD) | 71.3 (7.1) | 73.5 (8.1) | 0.117 |
| Male, n (%) | 69 (78) | 28 (64) | 0.090 |
| Race, n (%) | |||
| Caucasian | 75 (84) | 35 (80) | 0.195 |
| African-American | 8 (9) | 8 (18) | |
| Other | 6 (7) | 1 (2) | |
| Education, n (%) | 0.181 | ||
| High school or below | 31 (36) | 21 (48) | |
| Above high school | 56 (64) | 23 (52) | |
| Comorbidities, n (%) | |||
| Prior stroke | 12 (14) | 7 (16) | 0.707 |
| Hypertension | 84 (94) | 38 (86) | 0.114 |
| Congestive Heart Failure | 13 (15) | 12 (27) | 0.079 |
| Peripheral Vascular Disease | 11 (12) | 9 (20) | 0.219 |
| COPD | 5(6) | 2 (5) | 0.739 |
| Tobacco (prior) | 45 (63) | 24 (63) | 0.946 |
| Diabetes | 30 (34) | 22 (50) | 0.070 |
| Logistic EuroSCORE, median (IQR) | 3.35 (2.17, 6.66) | 6.29 (3.29, 9.47) | 0.003 |
| Surgery, n (%) | 0.873 | ||
| CAB | 26 (48) | 18 (41) | |
| CAB +Valve | 7 (13) | 8 (18) | |
| Valve | 19 (35) | 17 (39) | |
| Other | 2 (4) | 1 (2) | |
| Cardiopulmonary bypass duration (min), median (IQR) | 117 (84, 154) | 128 (80, 154) | 0.669 |
| Incident Delirium | 37 (42%) | 19 (48%) | 0.56 |
Abbreviations: SD= standard deviation; IQR=Inter-Quartile Range; COPD= chronic obstructive pulmonary disease; CAB=coronary artery bypass