Variables Associated with Recovery at 1 and 6 Months of Follow-up
| Recovery at 1 mo | Recovery at 6 mo | |||||
| Variable | Incomplete | Complete | P | Incomplete | Complete | P |
| Male | 45 (46.9) | 30 (37.0) | 0.187 | 32 (50.8) | 38 (40.9) | 0.221 |
| Age (y) | 70.7 ± 13.6 | 65.6 ± 13.9 | <0.05 | 73.2 ± 11.2 | 65.5 ± 14.2 | <0.001 |
| Cardiovascular disease | 54 (56.3) | 46 (56.8) | 0.942 | 41 (65.1) | 54 (58.1) | 0.378 |
| Chronic obstructive pulmonary disease | 19 (19.8) | 9 (11.1) | 0.115 | 16 (25.4) | 11 (11.8) | 0.028 |
| Deep-vein thrombosis | 41 (42.7) | 28 (34.6) | 0.269 | 25 (39.7) | 36 (38.7) | 0.903 |
| Active cancer | 13 (13.5) | 17 (20.9) | 0.188 | 8 (12.7%) | 19 (20.4) | 0.210 |
| Unprovoked PE | 65 (67.7) | 35 (43.2) | <0.05 | 44 (69.8) | 46 (49.5) | <0.05 |
| Transient provoked PE | 18 (18.8) | 29 (35.8) | <0.05 | 11 (17.5) | 28 (30.1) | 0.073 |
| PD at baseline | 9.6 ± 4.2 | 6.9 ± 4.2 | <0.0001 | 9.9 ± 4.1 | 6.9 ± 4.3 | <0.0001 |
| 1-wk percent recovery (%) | 30.0 ± 30.7 | 70.9 ± 27.9 | <0.001 | 28.9 ± 27.4 | 64.9 ± 29.8 | <0.001 |
| PA-aO2 at baseline (mm Hg) | 52.7 ± 27.6 | 49.4 ± 37.9 | 0.717 | 50.1 ± 28.6 | 49.9 ± 37.5 | 0.978 |
| PAsP at baseline (mm Hg) | 47.7 ± 10.1 | 43.9 ± 9.6 | <0.05 | 48.8 ± 10.4 | 44.9 ± 10.3 | 0.05 |
Univariate analysis: P < 0.05 was considered significant. Qualitative data are expressed as numbers followed by percentages in parentheses; continuous data are expressed as mean ± SD.