Table 3 Overview of the published studies included in the meta-analysis
Reference | Population | N | Female, % | Age, years | Disease duration, years | Scoring method | Definition erosive disease |
|---|---|---|---|---|---|---|---|
Brinkman [2] | Dutch | 144 | 65 | 66.8 | 14.06 | ns | Erosions on any radiograph during first 3 years |
Pawlik [10] | Polish | 91 | 63 | 51.7 (range 21-74)# | 4.7 ± 2.1 | ns | Erosions in chest, hands or feet |
Khanna [9] | Americans (Western US) and Mexican | 189 | 76 | ns | 0.47 (0.3-0.71)* | Sharp | Erosion score ≥ 2 In hand/wrist or feet |
Rezaieyazdi [7] | Iranian | 34 | n.s. | 47.3 ± 13.8 | 4.0 ± 3.7 | ns | Erosions in hands |
Kazkaz [8] | Syrian | 156 | 80 | 44.02 ± 14.47 | 7.28 ± 4.87 | Larsen | Destruction score ≥ 2, right wrist |
Kazkaz [8] | French | 512 | 75 | 57.56 ± 14.67 | 10.05 ± 8.66 | Larsen | Destruction score ≥ 2, right wrist |
Ates [5] | Turkish | 98 | 80 | 50.8 ± 12 | ns | ns | Erosions in hands or feet |
Nemec [6] | Caucasians from Moravian regions of the Czech Republic | 130 | 75 | 56.21 (20.25-79)* | 11.08 (2.08-50.17)* | Steinbrocker | Erosions of stage II-IV in hands |
Reneses [4] | Spanish | 134 | 70 | 50.4 ± 1.3 | < 1 | Sharp van der Heijde | Erosion at 1 year in hands, wrist or feet |
Hussein [3] | Egyptian | 172 | 100 | 47.4 ± 9.3 | 10.65 ± 7.9 | Sharp | ≥ 1 erosions in peripheral joints (hands or feet) |
Mosaad [1] | Egyptian | 122 | 80 | 39.9 ± 10.3 | 5.9 ± 5.1 | Steinbrocker | Erosions in hands |