Table 3 Characteristics of spine surgery
Operation | Unit | Total population N=274 | Control group N=252 | SSI N=22 | p value |
|---|---|---|---|---|---|
Localization | |||||
Th | pts | 26 (9.49%) | 23 (9.13%) | 3 (13.64%) | |
Th-L | pts | 2 (0.73%) | 2 (0.79%) | 0 (0.00%) | 0.808 |
L | pts | 130 (47.45%) | 118 (46.83%) | 12 (54.55%) | |
LS | pts | 116 (42.34%) | 109 (43.25%) | 7 (31.82%) | |
Number of vertebrae | 2.30±0.90 | 2.36±1.10 | 0.786 | ||
0–2 | pts | 202 (73.72%) | 16 (66.67%) | 199 (71.07%) | |
3–4 | pts | 62 (22.63%) | 57 (22.62%) | 5 (22.73%) | 0.972 |
5 and more | pts | 10 (3.65%) | 9 (3.57%) | 1 (4.55%) | |
ASA score | 2.14±0.68 | 2.18±0.71 | 0.752 | ||
Reoperation | pts | 27 (9.85%) | 27 (10.71%) | 0 (0.00%) | 0.106 |
Time of operation | minutes | 184.16±72.23 | 173.86±81.48 | 0.547 | |
Operation access | |||||
Anterior | pts | 7 (2.56%) | 1 (4.17%) | 7 (2.51%) | |
Posterior | pts | 261 (95.60%) | 240 (87.91%) | 6 (3.395%) | 0.938 |
Graft | pts | 5 (1.82%) | 5 (1.98%) | 0 (0.00%) | 0.505 |
Implant | pts | 239 (87.23%) | 221 (87.70%) | 18 (81.82%) | 0.428 |
Drainage | |||||
Redon | pts | 258 (94.16%) | 238 (94.44%) | 20 (90.91%) | 0.498 |
One drainage | pts | 61 (23.64%) | 57 (23.95%) | 4 (20.00%) | 0.690 |
Two and more drainage | pts | 197 (76.36%) | 181 (76.05%) | 16 (80.00%) | |
Transfusions | pts | 49 (17.88%) | 47 (18.65%) | 2 (9.09%) | 0.262 |
Blood loss | ml | 1027.82±968.97 | 747.37±1234.82 | 0.106 | |
Haemoglobin | 103.45±20.05 | 105.36±20.50 | 0.548 | ||
Corticoids | pts | 26 (9.49%) | 25 (9.92%) | 1 (4.55%) | 0.409 |
Methylprednisolone | pts | 5 (1.82%) | 5 (1.82%) | 0 (0.00%) | 0.505 |
Hydrocortisone | pts | 18 (6.57%) | 17 (6.75%) | 1 (4.55%) | 0.689 |
Postoperative NICU | |||||
TISS on admission | 57.21±1.01 | 57.36±1.06 | 0.526 | ||
TISS total | 11593.22±11693.03 | 38364.64±42240.21 | 0.383 | ||
APACHE II | 9.62±3.29 | 9.14.±3.40 | 0.455 | ||
CRP | 3.41±9.02 | 2.33±14.58 | 0.130 | ||
CRP 1 day after OP | 35.66±19.97 | 38.89±24.24 | 0.541 | ||
Airways | pts | 1 (0.36%) | 1 (0.40%) | 0 (0.00%) | 0.767 |
Mechanical ventilation | pts | 1 (0.36%) | 1 (0.40%) | 0 (0.00%) | 0.767 |
Artery catheters | pts | 32 (11.68%) | 29 (11.51%) | 3 (13.64%) | 0.766 |
Central venous catheter | pts | 2 (0.73%) | 2 (0.73%) | 0 (0.00%) | 0.675 |
Urine catheter | pts | 263 (95.99%) | 243 (96.43%) | 20 (90.91%) | 0.423 |
Hospital wound complications | pts | 27 (9.85%) | 15 (5.95%) | 12 (54.55%) | <0.001 |