TABLE 5.
Patient characteristics comorbidities and factors related to dental treatment according to presence of postoperative spinal infection
| No infection (n = 213,889) (%) | Infection (n = 15,346) (%) | p‐Value | |
|---|---|---|---|
| Agea | 64 (57–71) | 66 (59–72) | <.0001 |
| CCI scorea | 3 (1–5) | 3 (2–5) | <.0001 |
| Sex | <.0001 | ||
| Male | 89,960 (42.06) | 6877 (44.81) | |
| Female | 123,929 (57.94) | 8469 (55.19) | |
| CCI | |||
| Myocardial infarction | 4050 (1.89) | 365 (2.38) | <.0001 |
| Congestive heart failure | 16,770 (7.84) | 1555 (10.13) | <.0001 |
| Peripheral vascular disease | 67,444 (31.53) | 5525 (36.00) | <.0001 |
| Cerebrovascular disease | 38,471 (17.99) | 3211 (20.92) | <.0001 |
| Dementia | 11,591 (5.42) | 1043 (6.80) | <.0001 |
| Chronic pulmonary disease | 101,773 (47.58) | 7864 (51.24) | <.0001 |
| Rheumatic disease | 28,210 (13.19) | 2554 (16.64) | <.0001 |
| Peptic ulcer disease | 107,599 (50.31) | 8506 (55.43) | <.0001 |
| Mild liver disease | 83,845 (39.20) | 6694 (43.62) | <.0001 |
| Diabetes without chronic complication | 77,518 (36.24) | 6345 (41.35) | <.0001 |
| Diabetes with chronic complication | 33,107 (15.48) | 2893 (18.85) | <.0001 |
| Hemiplegia or paraplegia | 5146 (2.41) | 442 (2.88) | <0.0001 |
| Renal disease | 5805 (2.71) | 596 (3.88) | <.0001 |
| Any malignancy | 19,705 (9.21) | 1452 (9.46) | <.0001 |
| Moderate or severe liver disease | 1916 (0.90) | 151 (0.98) | <0.0001 |
| Metastatic solid tumour | 3016 (1.41) | 225 (1.47) | <.0001 |
| AIDS/HIV | 42 (0.02) | 6 (0.04) | <.0001 |
| Dental treatment within 1 year after surgery | <.0001 | ||
| No | 147,623 (69.02) | 13,815 (90.02) | |
| Yes | 66,266 (30.98) | 1531 (9.98) | |
| Duration from surgery to first dental treatment | <.0001 | ||
| No | 147,623 (69.02) | 13,815 (90.02) | |
| ~3 months | 15,309 (7.16) | 518 (3.38) | |
| 3–6 months | 19,504 (9.12) | 476 (3.10) | |
| 6–9 months | 16,557 (7.74) | 326 (2.12) | |
| 9–12 months | 14,896 (6.96) | 211 (1.37) | |
| Mean duration from surgery to first dental treatmenta | 172 (96–260) | 134 (69–226) | <.0001 |
| Number of dental treatmenta | 2 (1–3) | 1 (1–3) | .0039 |
| Prophylactic antibiotics for dental procedure | |||
| No | 190,185 (88.92) | 14,786 (96.35) | <.0001 |
| Yes | 23,704 (11.08) | 560 (3.65) |
Abbreviation: CCI, Charlson Comorbidity Index.
Bold values denote statistical significance at the p < 0.05 level.
a
The data are presented as median (first quartile to third quartile), and Mann–Whitney U‐test was used to calculate the p‐values.