Table 1 Implant details for the three groups
Group I N = 99 | Group II N = 62 | Group III N = 90 | |
|---|---|---|---|
Stem | ANA.NOVA Alpha Schaft Proxy® ImplanTec GmbH, Moedling, Austria | Optimys® Mathys, Bettlach, Switzerland | Corail® Hip System DePuy International Ltd., Leeds, England, UK |
Cup | ANA.NOVA Alpha® ImplanTec GmbH, Moedling, Austria | seleXys® Mathys, Bettlach, Switzerland | Pinnacle® 100 DePuy International Ltd., Leeds, England, UK |
Stem Material | Titanium alloy (TiAI6V4), CaP-coated (BONIT®) | Titanium alloy (TiAI6V4), CaP-coated | Titanium alloy (TiAI6V4), HA-coated |
Stem Shape | Triple-tapered | Triple-tapered | Double-tapered |
Stem types | Alpha Schaft® proxy | Optimys® Standard Optimys® Lateral | Standard Offset (KS) High Offset (KHO) Collared Standard Offset (KS) Collared High Offset (KHO) Collared Coxa Vara (KLA) 125° Standard 135° Short Neck Collared 125° Standard Collared 135° Short Neck Collared Dysplasia (DDH) Trochanteric Base DDH |
Stem options | 12 | 24 12 Standard 12 Lateral | 76 13 KS 13 Collared KS 12 KHO 12 Collared KHO 12 Collared KLA 3 125° Standard 3 Collared 125° Standard 3 135° Short Neck 3 Collared 135° Short Neck 1 Collared DDH 1 Trochanteric Base DDH |