Table 3.
Comparison of incidence of PJI after TKA between 2 groups.
| Chi-square test | |||||
|---|---|---|---|---|---|
| Group | Total | PJI | None | Chi-square value | P value |
| Summer | 841 | 19 | 822 | 6.455 | .011 |
| Winter | 731 | 4 | 727 | ||
PJI = periprosthetic joint infection, TKA = total knee arthroplasty.
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