Table 1.
Clinical features of the 15 patients
| Case | Age(years)/sex | Side (R/L) | KBD grade | NBJLI (n) | BMI (kg/m2) | Disease duration(years) | Varus angle (°) before surgery | Follow-up period (months) | Complications after surgery |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 57/F | R | II | 6 | 28.48 | 8 | 9.0 | 29 | None |
| 2 | 63/F | R | II | 6 | 19.95 | 15 | 5.5 | 29 | None |
| 3 | 69/F | R | I | 4 | 18.75 | 23 | 16.8 | 62 | None |
| 4 | 74/F | R | I | 8 | 24.22 | 9 | 12.5 | 42 | None |
| 5 | 55/F | L | I | 6 | 29.30 | 20 | 13.7 | 32 | None |
| 6 | 61/F | R/L | II | 10 | 23.93 | 30 | 12.5/9.8 | 28 | None |
| 7 | 66/M | L | I | 8 | 31.49 | 5 | 13.7 | 42 | None |
| 8 | 80/F | R | I | 8 | 24.56 | 40 | 2.5 | 26 | Onea |
| 9 | 64/F | L | III | 6 | 26.41 | 10 | 9.9 | 24 | None |
| 10 | 76/F | R/L | I | 8 | 27.77 | 6 | 6.6/4.3 | 27 | None |
| 11 | 77/F | R | I | 6 | 25.80 | 20 | 2.2 | 32 | None |
| 12 | 65/F | R/L | II | 8 | 27.45 | 22 | 18.8/16.3 | 37 | None |
| 13 | 59/F | R | I | 6 | 20.38 | 7 | 6.2 | 23 | None |
| 14 | 62/M | L | II | 8 | 19.63 | 15 | 3.3 | 28 | None |
| 15 | 67/F | R | I | 10 | 22.46 | 17 | 9.1 | 26 | None |
| Average | 66.33 | 7.2 | 24.71 | 16.47 | 32.47 |
KBD Kashin-Beck disease, BMI body mass index, NBJI the number of big limb joints involved, R right, L left
aThis patient suffered pulmonary infection after the first stage of hip joint replacement, which resolved within one week after extended antibiotic therapy, and the patient then successfully underwent TKA treatment