Table 1 Patients’ clinical parameters of the two groups
Subgroup | ID group (N = 35) | Non-ID group (N = 371) | P value |
|---|---|---|---|
Sex | Â | Â | 0.617 |
Men | 19 (54.3%) | 185 (49.9%) | Â |
Women | 16 (45.7%) | 186 (50.1%) | Â |
Age (year) | 59.1 ± 6.2 | 57.3 ± 8.9 | 0.245 |
BMI (kg/m2) | 25.9 ± 1.6 | 24.8 ± 2.4 | 0.008 |
Smoking | 7 (20.0%) | 48 (12.9%) | 0.411 |
Diabetes | 5 (14.3%) | 36 (9.7%) | 0.390 |
Hypertension | 10 (28.6%) | 86 (23.2%) | 0.473 |
Revision surgery | 8 (22.9%) | 28 (7.5%) | 0.002 |
ASA score | Â | Â | 0.034 |
1 | 0 (0.0%) | 1 (0.3%) | Â |
2 | 26 (74.3%) | 330 (88.9%) | Â |
3 | 9 (25.7%) | 40 (10.8%) | Â |
Operative time (minutes) | 174.4 ± 14.2 | 156.5 ± 26.5 | < 0.001 |
Estimated blood loss (ml) | 259.3 ± 44.2 | 200.2 ± 47.5 | < 0.001 |
Surgical methods | Â | Â | 0.438 |
PLIF | 19 (54.3%) | 176 (47.4%) | Â |
TLIF | 16 (45.7%) | 195 (52.6%) | Â |
Length of hospital stay (day) | 9.1 ± 2.1 | 6.2 ± 1.3 | < 0.001 |
Hospital costs (Yuan) | 52721.2 ± 5961.9 | 47921.7 ± 4465.4 | < 0.001 |
30-day readmission rate | 4 (11.4%) | 13 (3.5%) | 0.049 |