Table 4:
Baseline Characteristics of Transfers by Type of Referring Center
| Transfer from CTS Center | Transfer from Non-CTS Center | p-value | ||
|---|---|---|---|---|
| N | 6.6 (502) | 93.4 (7072) | ||
| Patient Age | 64.8 ± 12.4 | 64.1 ± 10.8 | 0.1927 | |
| Sex (F) | 29.9 (150) | 29 (2053) | 0.6852 | |
| Ejection Fraction | 50 [35 – 60] | 55 [43 – 60] | 0.0032 | |
| Procedure | <.0001 | |||
| Isolated CABG | 66.9 (336) | 85.8 (6065) | ||
| Isolated Valve | 18.7 (94) | 7.4 (520) | ||
| CABG/Valve | 14.3 (72) | 6.9 (487) | ||
| Smoking History | 25.3 (127) | 29.7 (2093) | 0.0388 | |
| Hypertension | 82.5 (414) | 85.8 (6058) | 0.0429 | |
| Diabetes | 45 (226) | 49.1 (3471) | 0.0766 | |
| Peripheral Artery Disease | 13.4 (943) | 14.4 (72) | 0.5304 | |
| Prior Myocardial Infarction | 68.4 (4833) | 66.3 (333) | 0.3372 | |
| Heart Failure | 46.8 (235) | 32.2 (2271) | <.0001 | |
| Previous Cardiac Intervention | 36.1 (181) | 28.1 (1984) | 0.0001 | |
| Reoperation | 13 (65) | 3.5 (247) | <.0001 | |
| Preoperative Length of Stay | 4 [2–6] | 4 [2–6] | 0.1003 | |
| Urgency | 0.0002 | |||
| Elective | 6.2 (31) | 2.8 (195) | ||
| Urgent | 87.9 (441) | 90.9 (6428) | ||
| Emergent | 6 (30) | 6.2 (437) | ||
| Salvage | 0 (0) | 0.2 (11) | ||
| Cardiopulmonary Bypass Time | 101[80–129] | 96 [75–122] | 0.0072 | |
| Cross Clamp Time | 73 [57–95] | 70 [54–90] | 0.0139 | |
| PROMM | 22.3% [12.2–37.7] | 15.4% [9.6–26.8] | <0.001 | |
| PROM | 2.5% [1.13–6.55] | 1.5% [0.73–3.47] | <.0001 | |