From: Quantifying the learning curve for pulmonary thromboendarterectomy
Overall | Tercile (T) | P value | |||
---|---|---|---|---|---|
Variable | (n = 134) | T1 (n = 44) | T2 (n = 45) | T3 (n = 45) | T1 vs. T3 |
Age (y) | 54 ± 15 | 54 ± 14 | 54 ± 14 | 53 ± 16 | 0.757 |
Male Sex (%) | 81 (60.4) | 22 (50.0) | 32 (71.1) | 27 (60.0) | 0.343 |
PAP (mm Hg) | |||||
Systolic | 78 ± 20 | 77 ± 19 | 78 ± 21 | 78 ± 20 | 0.778 |
Diastolic | 28 ± 9 | 26 ± 10 | 30 ± 8 | 27 ± 9 | 0.882 |
PVR (dynes-sec-cm−5) | 639 ± 373 | 695 ± 442 | 618 ± 371 | 602 ± 292 | 0.243 |
CO (L/min) | 4.7 ± 1.5 | 4.5 ± 1.5 | 4.8 ± 1.4 | 4.7 ± 1.5 | 0.531 |
DLCO (% predicted) | 64 ± 19 | 66 ± 17 | 67 ± 20 | 56 ± 18 | 0.011 |
NYHA class | |||||
I | 1 (0.7) | 0 (0) | 1 (2.2) | 0 (0) | 0.218 |
II | 43 (32.1) | 17 (38.6) | 14 (31.1) | 12 (26.7) | |
III | 74 (55.2) | 21 (47.7) | 26 (57.8) | 27 (60.0) | |
IV | 15 (11.2) | 6 (13.6) | 3 (6.7) | 6 (13.3) | |
Jamieson classification | |||||
Type 1 | 1 (0.7) | 0 (0) | 1 (2.2) | 0 (0) | 0.226 |
Type 2 | 64 (47.8) | 24 (54.5) | 20 (44.4) | 20 (44.4) | |
Type 3 | 61 (45.5) | 20 (45.5) | 17 (37.8) | 24 (53.3) | |
Type 4 | 0 (0) | 0 (0) | 0 (0) | 0 (0) |