AESCULAP® Plasmafit® Cementless Acetabular System With Vitelene® Vitamin E Stabilized Highly Crosslinked Polyethylene

Functional assessments of hip joint replacement over time with Harris Hip Score (HHS)

The HHS is a measure of dysfunction of the hip joint. Consist of 10 items in 3 sections. Score \<70 = poor result; 70-80 = fair, 80-90 = good, and 90-100 = excellent.

Time frame: 3 year follow-up

Functional assessments of knee joint replacement over time with Knee Society Score (KSS)

The KSS is a measure of dysfunction of the knee joint. The KSS has a two sections: "Knee Score" section (7 items) and a "Functional Score" section (3 items). Results can be interpreted with the following: 80-100 = excellent; score 70-79 = good; score 60-69 = fair; score \<60 = poor.

Time frame: 3 year follow-up

Forgotten Joint Score-12 (FJS-12) for knee joint, modified Rankin scale

FJS-12 shows how much did the patient forget their artificial joint. Consists of 12 items, each item is answered within a 5-point Likert scale, as follows: 0: never (0 p); almost never (1 p); seldom (2 p); sometimes (3 p); and mostly (4 p). The initial raw data were converted to a scale ranging from 0 to 100 (worst to best).

Time frame: 3 year follow-up

Measuring postoperative pain using the visual analog scale for pain (VAS-P)

To measure pain intensity after surgery the patients choose the score on the 10 cm line scale with (VAS-P) rage from 0 ('no pain') to 10 (severe pain).

Time frame: 3 year follow-up

The modified Rankin scale (mRS)

mRS was used scale for measuring the degree of disability or dependence in the daily activities after joint replacement, with the following response options: 0: No symptoms at all; 1: No significant disability despite symptoms; able to carry out all usual duties and activities; 2: Slight disability; unable to carry out all previous activities, but able to look after own affairs without assistance; 3: Moderate disability; requiring some help, but able to walk without assistance; 4: Moderately severe disability; unable to walk without assistance and unable to attend to own bodily needs without assistance; 5: Severe disability; bedridden, incontinent and requiring constant nursing care and attention; 6: Dead

Time frame: 3 year follow-up