Table 2.
Baseline Demographics - Cardiac Operations
| Fallen in 6-months prior to operation? | ||||
|---|---|---|---|---|
| Total | Fallers | Non-Fallers | p-value | |
| (n=154) | (n=49) | (n=105) | ||
| Pre-Operative Variables | ||||
| Age (years) | 74±6 | 76±5 | 72±5 | <0.001 |
| Cerebrovascular Disease | 9% (14) | 14% (7) | 7% (7) | 0.141 |
| Hypertension | 90% (139) | 90% (44) | 91% (95) | 1.000 |
| Ischemic Heart Disease | 66% (102) | 69% (34) | 65% (65) | 0.354 |
| Congestive Heart Failure | 20% (31) | 14% (7) | 23% (24) | 0.282 |
| Insulin Dependent Diabetes | 20% (31) | 27% (13) | 17% (18) | 0.199 |
| COPD | 30% (46) | 31% (15) | 30% (31) | 1.000 |
| Creatinine (mg/dL) | 1.4±0.8 | 1.5±0.9 | 1.4±0.7 | 0.406 |
| ASA Score ≥3 | 96% (147) | 98% (48) | 94% (99) | 0.432 |
| Body Mass Index | 29±5 | 28±5 | 29±5 | 0.662 |
| Albumin (g/dL) | 3.7±0.5a | 3.5±0.5 | 3.8±0.4 | 0.001 |
| Hematocrit (%) | 41±5 | 38±5 | 42±4 | <0.001 |
| Charlson Index | 2.7±1.5 | 3.4±1.5 | 2.3±1.3 | <0.001 |
| Intra-Operative Variables | ||||
| OR Time (minutes) | 314±86 | 314 ±84 | 314±87 | 0.966 |
| Blood Transfusion (units) | 1.1±1.7 | 0.1.3±2.0 | 1.0±1.5 | 0.273 |
| Type of Operation | ||||
| Coronary Artery Bypass | 59% (91) | 63% (31/49) | 57% (60/105) | 0.488 |
| Cardiac Valve | 29% (44) | 22% (11/49) | 31% (33/105) | 0.338 |
| CAB & Valve | 12% (19) | 14% (7/49) | 11% (12/105) | 0.610 |
The p value compares the groups of fallers and non-fallers.
a
n=152 because two participants did not have a preoperative albumin level within 30 days of their operation.
Abbreviations – COPD: chronic obstructive pulmonary disease; ASA: American Society of Anesthesiologists; OR: operating room; CAB: coronary artery bypass.