TABLE 2.
Clinical characteristics in intermediate-low-risk PE patients and high-risk PE patients.
| Index | Intermediate-low-risk PE (n = 70) | High-risk PE (n = 69) | χ2 value | p-value |
| Gender (Male/Female) | 40/30 | 30/39 | 2.595 | 0.107 |
| Dyspnea (No/Yes) | 30/40 | 26/43 | 0.387 | 0.534 |
| CP (No/Yes) | 57/13 | 61/8 | 1.319 | 0.251 |
| Hemoptysis (No/Yes) | 66/4 | 67/2 | 0.159 | 0.689 |
| Syncope (No/Yes) | 67/3 | 49/20 | 15.351 | 0.001 |
| CPR (No/Yes) | 70/0 | 61/8 | 6.607 | 0.010 |
| AMS (No/Yes) | 66/4 | 55/14 | 6.549 | 0.011 |
| CHF (No/Yes) | 57/13 | 55/14 | 0.066 | 0.798 |
| CLD (No/Yes) | 56/14 | 61/8 | 1.843 | 0.175 |
| HOT (No/Yes) | 59/11 | 47/22 | 5.018 | 0.025 |
| RHD (No/Yes) | 57/13 | 51/18 | 1.133 | 0.287 |