Table 3.
Types of studies indicating methods of outcome and follow-up data
| Paper | Type of study | Methods of outcome | Mean follow-up (years) | Follow-up range (years) | ||
|---|---|---|---|---|---|---|
| History, clinical exam (CE), Xray (XR) | Outcome scores | Objective tests | ||||
| 1 | Retrospective case series | IKDCa, TASb, LKSc, Marshall knee score | KT1000 | 3.2 | 2.0–6.3 | |
| 2 | Retrospective case series | History, CE | – | – | 15.0 | 5.0–29.0 |
| 3 | Retrospective case series | History, CE, XR | – | – | 8.8 | 2.0–16.0 |
| 4 | Retrospective case series; multicentre | CE, XR | – | – | Not specified | 0.5–2.0 |
| 5 | Retrospective case series | History, CE, XR | IKDCa, Cincinatti Knee Score | Hop test, MRI | 3.5 | 1.0–7.5 |
| 6 | Retrospective case series | CE | LKSc | KT1000 | 3.7 | 1.8–9.0 |
| 7 | Retrospective case series | History, CE, XR | – | KT1000 | 8.5 | 7.5–9.0 |
| 8 | Retrospective case series | History, CE, XR | – | – | 1.0 | 0.5–3.0 |
| 9 | Retrospective case series | CE, XR | IKDCa, TASb, LKSc | KT1000 | 7.2 | 1.7–15.7 |
| 10 | Retrospective case series | CE | LKSc | – | Not specified | 2.0–8.0 |
| 11 and 34 | Retrospective case series | History, CE, XR | – | Genucom knee testing (navigation) | Not specified | 3.0–10.0 |
| 14 | Retrospective case series; multicentre | History, CE, XR | TASb, LKSc | Knee signature system, dynamometer | 16.0 | 10.0–39.0 |
| 15 | Prospective case series | History, CE | IKDCa | KT1000 | Not specified | ≤1.0 |
| 16 | Retrospective case series | – | IKDCa, TASb, LKSc | – | 2.7 | 1.2–4.3 |
| 17 | Retrospective case series | Operative paper only reporting on irreducible type III fractures | Not specified | Not specified | ||
| 18 | Retrospective case series | History, CE, XR | – | – | Not specified | Not specified |
| 19 | Retrospective case series | History, CE | – | – | Not specified | Not specified |
| 20 | Retrospective case series | CE, XR | IKDCa | – | 3.5 | 0.8–6.5 |
| 21 | Retrospective case series | CE | LKSc | KT1000 | 3.0 | 0.5–7.0 |
| 22 | Retrospective case series | CE | – | KT1000 | 3.0 | Not specified |
| 23 | Retrospective case series (separate cadaveric study also) | CE | IKDCa | 1.4 | 0.5–2.5 | |
| 24 | Retrospective case series; multicentre | History, CE | – | KT1000 | 4.0 | 2.0–8.0 |
| 25 | Retrospective case series | History, CE, XR | – | – | 14.2 | 0.8–22.0 |
| 26 | Prospective case series | History, CE, XR | – | KT1000 | Not specified | 3.0–10.0 |
| 27 | Retrospective case series | – | IKDCa | KT1000, Dynamometer | 9.7 | 2.0–16.0 |
| 28 | Retrospective case series | CE, XR | – | KT1000 | 3.5 | 2.1–6.4 |
| 29 | Retrospective case series | CE | Rate of soft tissue interposition | Not specified | Not specified | |
| 30 | Retrospective case series | History, CE, XR | IKDCa | – | 29.0 | 12.0–42.0 |
| 31 | Retrospective case series | CE | If arthrofibrosis: MRI ± arthroscopy | 1.6 | 0.3–7.0 | |
| 32 | Retrospective case series; second look surgery for complications | XR | IKDCa, TASb, LKSc | KT1000, Dynamometer | Not specified | ≥6.0 |
| 33 | Retrospective case series | History, CE, XR | – | Stryker knee laxity tester, Dynamometer | 2.6 | 0.3–2.2 |
| 35 | Retrospective case series | XR | TASb, LKSc, American Knee Society Score, visual analogue score | KT1000, Rolimeter | 5.0 | 3.0–6.0 |
| 37 | Retrospective case series | History, CE, XR | – | – | 7.0 | 2.5–10.0 |
| 38 | Prospective case series | History, CE | – | – | 1.0 | Not specified |
| 40 | Retrospective case series; radiological study | – | 2.5 | 0.5–6.0 | ||
aInternational Knee Documentation Committee
bTegner Activity Score
cLysholm Knee Score