Table 1 Demographic, clinical and laboratory variables in both the septic and aseptic group. P values were calculated using Pearson chi-squared or Student’s t test. BMI, body mass index; ASA, American Society of Anesthesiologists
Variables | Septic group | Aseptic group | p-value |
|---|---|---|---|
Age (years) | 65 ± 21 | 65 ± 21 | 1.000 |
Gender (male to female) | 28:22 | 28:22 | 1.000 |
BMI (kg/m2) | 26.2 ± 5.6 | 29.0 ± 7.0 | 0.058 |
Diabetes, n (%) | 8 (16.0) | 14 (28.0) | 0.114 |
Smoking, n (%) | 6 (12.0) | 6 (12.0) | 1.000 |
ASA grade | 2.4 ± 0.6 | 2.5 ± 0.6 | 0.471 |
Operation time (min) | 171.3 ± 86.4 | 210.1 ± 123.0 | 0.062 |
Spinal levels operated on (n) | 5.7 ± 4.2 | 5.5 ± 3.5 | 0.755 |
Perioperative blood transfusion (mL) | 220.0 ± 446.0 | 175.1 ± 309.4 | 0.561 |
Hospital length of stay (days) | 17.1 ± 19.2 | 12.5 ± 7.9 | 0.104 |
Reasons for revision, n (%) | 0.183 | ||
Implant failure | 22 (44.0) | 31(62.0) | |
Adjacent segment degeneration | 13 (26.0) | 13 (26.0) | |
Wound disorders | 10 (20.0) | 2 (4.0) | |
Infection | 3 (6.0) | 0 (0.0) | |
Others | 2 (4.0) | 4 (8.0) |