Variable | Type of intervention (n = 244) | Test of difference* | ||||||
---|---|---|---|---|---|---|---|---|
Conservative treatment, n = 122 | TKA, n = 62 | TKA with rehabilitation, n = 60 | ||||||
N | % | N | % | N | % | χ2 | p-value | |
Sex | ||||||||
Females | 90 | 73.8 | 44 | 71.0 | 53 | 88.3 | 6.258 | 0.044 |
Males | 32 | 26.2 | 18 | 29.0 | 7 | 11.7 | ||
Age (mean ± SD), years* | 65.05 | 3.19 | 64.66 | 3.01 | 66.95 | 2.77 | 10.394 | 0.000 |
Ethnicity | ||||||||
Kazakhs | 20 | 16.4 | 20 | 32.3 | 18 | 30.0 | 7.414 | 0.025 |
Russians | 102 | 83.6 | 42 | 67.7 | 42 | 70.0 | ||
Education | ||||||||
Secondary | 4 | 3.3 | 10 | 16.1 | 19 | 31.7 | 106.066 | 0.000 |
Vocational secondary | 20 | 16.4 | 22 | 35.5 | 41 | 68.3 | ||
Higher | 98 | 80.3 | 30 | 48.4 | 0 | 0.0 | ||
Monthly income | ||||||||
Below the median range | 78 | 63.9 | 30 | 48.4 | 0 | 0.0 | 67.212 | 0.000 |
Above the median range | 44 | 36.1 | 32 | 51.6 | 60 | 100.0 | ||
Duration of osteoarthritis (mean ± SD), years* | 9.69 | 1.93 | 11.58 | 1.27 | 12.28 | 2.04 | 48.552 | 0.000 |
Disability | ||||||||
Absent | 48 | 39.3 | 50 | 80.6 | 17 | 28.3 | 39.424 | 0.000 |
Present | 74 | 60.7 | 12 | 19.4 | 43 | 71.7 | ||
Need for TKA revision | ||||||||
Absent | – | – | 50 | 100.0 | 23 | 62.2 | 22.547 | 0.000 |
Present | – | – | 0 | 0.0 | 14 | 37.8 |