Table 1 Main characteristics of the studies analyzed; numbers in the first column refer to pre- versus post-arthroplasty comparisons with different subjects, and letters to different post-operative measurement times
From: The effects of knee arthroplasty on walking speed: A meta-analysis
Study (reference) | N a | Arthro- plastyb | Time post (months)h | Distance walked (m) | Walking Speed | Gender m/fi | Agej | BMIj | ||
|---|---|---|---|---|---|---|---|---|---|---|
pre | post | |||||||||
1 | Berman, 1987 [41] | B 16 A 16 | TKA | 18 | 3.8 | 0.58 ± 0.2 | 0.83 ± 0.2 | NA | 64.80 | |
2 | B 12 A 12 | TKAc | 24 | = | 0.59 ± 0.2 | 0.71 ± 0.3 | NA | |||
3a | Kroll, 1989 [42] | B 18 A 18 | TKA | 5 | 10 | 0.84 ± 0.2 | 0.98 ± 0.2 | 7/11 | 68 | 27.43 |
3b | B 18A 18 | = | 13 | = | 0.84 ± 0.2 | 1.07 ± 0.1 | = | |||
4 | Mattsson, 1990 [43] | B 20A 20 | UKA | 12 | 249.6 | 1.04 ± 0.2 | 1.24 ± 0.1 | 11/9 | 63 ± 4.5 | |
5 | Ivarsson, 1991 [44] | B 10A 10 | UKA | 6 | 10 | 0.83 ± 0.3 | 0.93 ± 0.2 | 4/6 | 64 ± 5 | |
6 | Weidenhielm, 1993 [36] | B 36A 36 | UKA | 12 | 5 | 1.03 ± 0.2 | 1.19 ± 0.2 | 18/18 | 64 ± 5 | 28.1 |
7 | Weidenhielm, 1993 [39] | B 19A 19 | UKAd | 3 | 5 | 1.13 ± 0.1 | 1.14 ± 0.1 | 11/8 | 64 ± 4 | 30.08 |
8 | B 20A 20 | UKA | 3 | = | 1.09 ± 0.2 | 1.17 ± 0.1 | 11/9 | 63 ± 5 | 29.07 | |
9a | Fusi, 2002 [45] | B 16A 13 | TKA | 2 | 255 | 0.85 ± 0.2 | 0.81 ± 0.2 | 13/3 NA | 72 ± 3.6 | 29.6 ± 5.2 |
9b | B 16A 8 | = | 6 | 243 | 0.85 ± 0.2 | 1.07 ± 0.2 | = | |||
9c | B 16A 10 | = | 12 | 321 | 0.85 ± 0.2 | 0.98 ± 0.2 | = | |||
10a | Parent, 2002 [46] | B 65A 65 | TKA | 2 | 10 | 0.80 ± 0.3 | 0.70 ± 0.2 | 25/40 | 68.6 ± 8.7 | 31.2 ± 5.6 |
10b | B 65A 64 | = | 4 | = | 0.80 ± 0.3 | 0.90 ± 0.3 | 25/40 24/40 | |||
11a | Lamb, 2003 [47] | B 79A 68 | mixed | 3 | 5 | 1.10 ± 0.5 | 1.34 ± 0.4 | 40/39 36/32 | 71.1 ± 6.4 | 29.0 ± 3.9 |
11b | B 79A 57 | = | 6 | = | 1.10 ± 0.5 | 1.45 ± 0.5 | 40/39 29/28 | 29.1 ± 3.8 | ||
12a | Börjesson, 2005 [37] | B 22A 22 | UKA | 3 | 5 | 1.07 ± 0.2 | 1.16 ± 0.2 | 11/11 | 63 ± 4 | 28.0 |
12b | B 22A 22 | = | 12 | = | 1.07 ± 0.2 | 1.24 ± 0.2 | = | |||
12c | B 22A 22 | = | 60 | = | 1.07 ± 0.2 | 1.19 ± 0.2 | = | |||
13 | Mandeville, 2007 [38] | B 21A 21 | TKA | 6 | 10 | 0.89 ± 0.2 | 1.05 ± 0.2 | 6/15 | 62.6 ± 7.3 | 32.6 ± 5 |
14a | Rahmann, 2009 [40] | B 20A 17 | TKAe | 0.5 | = | 0.71 ± 0.4 | 0.49 ± 0.3 | NA 5/12 | 70.4 ± 9.2 | 28.8 ± 6.2 |
14b | B 20A 17 | = | 3 | = | 0.71 ± 0.4 | 1.00 ± 0.4 | = | |||
14c | B 20A 17 | = | 6 | = | 0.71 ± 0.4 | 0.98 ± 0.3 | = | |||
15a | B 24A 17 | TKAf | 0.5 | 10 | 0.99 ± 0.2 | 0.67 ± 0.3 | NA | 69.4 ± 6.5 | 28.4 ± 4.6 | |
15b | B 24A 17 | = | 3 | = | 0.99 ± 0.2 | 1.14 ± 0.3 | NA | |||
15c | B 24A 14 | = | 6 | = | 0.99 ± 0.2 | 1.25 ± 0.3 | NA | |||
16a | B 21A 19 | TKAg | 0.5 | 10 | 0.76 ± 0.4 | 0.57 ± 0.2 | NA | 69 ± 8.9 | 28.0 ± 4.1 | |
16b | B 21A 19 | = | 3 | = | 0.76 ± 0.4 | 1.03 ± 0.3 | NA | |||
16c | B 21A 17 | = | 6 | = | 0.76 ± 0.4 | 1.09 ± 0.2 | NA | |||