Table 1 Identified observational studies reviewed for design and quality
From: Total knee arthroplasty after high tibial osteotomy. A systematic review
| Â | Â | Design | Â | Quality assessment | |
|---|---|---|---|---|---|
| Â | study | Year | Deeks classification | Deeks tool | Minors list |
1 | van Raaij [11] | 2007 | concurrent cohort (5) | 9 | 8 |
2 | Haslam [4] | 2007 | concurrent cohort (5) | 8 | 7 |
3 | Huang [16] | 2002 | concurrent cohort (5) | 7 | 7 |
4 | Karabatsos [17] | 2002 | concurrent cohort (5) | 7 | 7 |
5 | Meding [18] | 2000 | concurrent cohort (5) | 8 | 7 |
6 | Haddad [19] | 2000 | concurrent cohort (5) | 8 | 7 |
7 | Nizard [20] | 1998 | concurrent cohort (5) | 8 | 7 |
8 | Amendola [21] | 1998 | concurrent cohort (5) | 6 | 6 |
9 | Mont [22] | 1994 | concurrent cohort (5) | 7 | 8 |
10 | Parvizi [5] | 2003 | concurrent cohort (5) | 5 | 9 |
11 | Walther [23] | 2000 | concurrent cohort (5) | 4 | 4 |
12 | Toksvig-Larsen [24] | 1998 | concurrent cohort (5) | 6 | 4 |
13 | Bergenudd [25] | 1997 | concurrent cohort (5) | 6 | 5 |
14 | Gill [26] | 1995 | concurrent cohort (5) | 5 | 4 |
15 | Jackson [27] | 1994 | case-control (7) | 3 | 2 |
16 | Windsor [6] | 1988 | historical cohort (6) | 3 | 4 |
17 | Katz [28] | 1987 | concurrent cohort (5) | 5 | 6 |