10 October 2023 : Laboratory Research
Diagnostic Value of Synovial Fluid Biomarkers for Periprosthetic Joint Infection: A Prospective, Double-blind Trial
Ying Xu123BCDE, Xueting Ma4BCD, Haoran Guo135CF, Hairong Tang1BF, Jiayu Liu1CD, Chengbin Wang163AG, Chi Wang73ADF*DOI: 10.12659/MSM.940842
Med Sci Monit 2023; 29:e940842
Table 1 General clinical information of enrolled patients.
| Characteristic | PJI group (n=39) | non-PJI group (n=43) | Test statistics | P |
|---|---|---|---|---|
| Age, years [χ̄x±s] | 66.45±7.07 | 63.40±9.67 | t=1.634 | 0.106* |
| Gender [n (%)] | ||||
| Male | 19 (48.72) | 23 (53.49) | χ=0.186 | 0.666# |
| Female | 20 (51.28) | 20 (46.51) | ||
| Joint [n (%)] | ||||
| Knee | 25 (64.10) | 28 (65.12) | χ=0.009 | 0.924# |
| Hip | 14 (35.90) | 15 (34.88) | ||
| BMI [χ̄x±s] | 25.62±3.88 | 26.21±3.02 | t=−0.705 | 0.484* |
| Sinus tract [n (%)] | 4 (10.26) | 0 (0.00) | – | 0.047# |
| Postoperative onset time, months [Median (Q1, Q3)] | 8.00 (2.00,54.00) | 38.50 (10.25,84.00) | Z=−2.239 | 0.025** |
| PJI – periprosthetic joint infection; Q1 – the first quartile; Q3 – the third quartile; BMI – body mass index. * test; ** Mann-Whitney U test; # Chi-square test. | ||||