Table 1 Patient demographics and clinical data
From: Efficacy of pulse oximetry for early diagnosis of pulmonary embolism after total knee arthroplasty
Variable | Group A (n = 20) PE | Group B (n = 38) No PE | p value |
|---|---|---|---|
Age (years) | 73.85 ± 6.78 | 73.87 ± 6.66 | 0.992 |
Gender: male/female | 2/18 | 5/33 | 0.726 |
Body mass index (kg/cm2) | 27.85 ± 3.64 | 27.14 ± 4.23 | 0.508 |
Operation site (Unilateral/Bilateral) | 14/6 | 26/12 | 0.902 |
Comorbidities (n) | |||
Hypertension | 17 | 32 | 0.937 |
Diabetes | 6 | 11 | 0.933 |
Ischemic heart disease | 1 | 1 | 0.638 |
Old CVA | 0 | 3 | 0.197 |
Postoperative saturation (%) | 85.0 ± 5.0 | 85.6 ± 5.8 | 0.696 |
Time to CTPA after surgery (days) | 3.0 ± 2.15 | 2.63 ± 2.61 | 0.591 |
Duration of hospitalization (days) | 16.75 ± 3.73 | 17.53 ± 5.48 | 0.527 |
Clinical symptoms (yes/no) | 4/16 | 6/32 | 0.041 |