From: TKR after posttraumatic and primary knee osteoarthritis: a comparative study
Operative data | Mean ± SD (range) | n (%) | p value |
---|---|---|---|
Require femoral osteotomy before TKA | N/A | ||
Fracture PTOA (n=32) | 3 | ||
Ligamentous PTOA (n=104) | 0 | ||
Primary OA (n=716)* | 0 | ||
Operative time (minutes) | |||
Fracture PTOA (n=32) | 125.3±48.0 (75-290) | <0.0001 | |
Ligamentous PTOA (n=104) | 106.5±22.3 (50-202) | 0.009 | |
Primary OA (n=716)* | 100.1±18.8 (48-197) | ||
Blood loss (milliliters) | |||
Fracture PTOA | 175.9±130.7 (50-500) | 0.06 | |
Ligamentous PTOA | 123.5±96.3 (25-500) | 0.94 | |
Primary OA* | 118.5±139.5 (25-270) | ||
Length of stay (days) | |||
Fracture PTOA | 3.1±2.1 (1.0-13.0) | 0.63 | |
Ligamentous PTOA | 2.6±1.2 (2.0-12.0) | 0.12 | |
Primary OA* | 2.9±1.2 (1.0-12.0) |