Table 1.
Comparison of the baseline characteristic features of patients before and during the COVID-19 pandemic
| Variable | Before COVID-19 (n = 211) | During COVID-19 (n = 294) | P-value |
|---|---|---|---|
| Age | 34.9 ± 20.8 | 38.8 ± 22.1 | 0.05 |
| Sex | 0.26 | ||
| Male | 75 (35.5) | 114 (38.8) | |
| Female | 136 (64.5) | 180 (61.2) | |
| BMI (Kg/m2) | 24.6 ± 6.2 | 24.9 ± 5.9 | 0.93 |
| Diagnosis | 0.34 | ||
| Canal Stenosis and Disc diseases | 47 (22.3) | 70 (23.8) | |
| Spondylolisthesis | 23 (10.9) | 30 (10.2) | |
| Spine Deformity | 71 (33.7) | 103 (35) | |
| Others | 70 (33.1) | 91 (31) | |
| Level of fixation | 0.4 | ||
| 0 | 35 (16.6) | 60 (20.5) | |
| < 4 | 74 (35.1) | 104 (35.4) | |
| > 4 | 101 (47.9) | 124 (42.2) | |
| Unknown | 1 (0.4) | 6 (2.04) | |
| Type of surgery | 0.13 | ||
| PSF | 172 (81.5) | 245 (83.3) | |
| ASF + PSF | 35 (16.6) | 49 (16.7) | |
| ASF | 4 (1.9) | 0 | |
| Surgical duration (hours) | 5.7 ± 1.6 | 5.2 ± 1.5 | < 0.001 |
| Intraoperative bleeding (ml) | 712.5 ± 600 | 646.5 ± 624 | 0.23 |
| Hemoglobin (g/dl) | 13.7 ± 1.5 | 13.5 ± 1.6 | 0.13 |
| PT (second) | 13 ± 0.1 | 13.1 ± 0.3 | < 0.001 |
| PTT (second) | 30.5 ± 2.5 | 31.2 ± 2.3 | 0.001 |
| INR | 1 ± 0.001 | 1.01 ± 0.03 | < 0.001 |
| Platelet (109/L) | 283 ± 159 | 267 ± 122 | 0.04 |
BMI Body mass index, AIS Adolescent Idiopathic Scoliosis, ASF Anterior Spinal Fusion, PSF Posterior Spinal Fusion, PT Prothrombin Time, PTT Partial Thromboplastin Time, INR International Normalized Ratio
Data are presented as mean ± SD or number (%)
P < 0.05 is considered significant