Table 1 Characteristics of included studies
Author | Country | Study design | Participants | N (I/C) | Age (Mean ± SD, years) (I/C) | Female, % (I/C) | Surgical approach | Intervention | Comparator |
|---|---|---|---|---|---|---|---|---|---|
Hiromasa et al. [24] | Japan | RCT | Patients undergoing primary THA | 36/36 | 65 ± 11/66 ± 10 | 83.33/83.33 | Standard posterior | AR-based portable hip navigation system | Conventional mechanical guide |
Hiroyuki et al. [20] | Japan | RCT | Patients undergoing THA | 22/19 | 65 ± 11/67 ± 12 | 86.36/89.47 | Modified Watson-Jones | AR-based portable navigation system | Conventional freehand technique with a mechanical alignment guide |
Kenji et al. [25] | Japan | RCT | Patients undergoing unilateral primary THA | 62/64 | 67 ± 10/69 ± 10 | 80.65/85.94 | Modified Watson-Jones | AR-based portable navigation system | Accelerometer-based portable navigation system |
Masahiro et al. [26] | Japan | Retrospective cohort study | Patients underwent THA | 35/35 | 64.4 ± 14.7/67.1 ± 10.4 | 77.14/82.86 | NA | AR-based navigation system | Accelerometer-based handheld surgical navigation system |
Sachiyuki et al. [27] | Japan | Retrospective cohort study | Patients underwent primary THA | 45/42 | 66 ± 9/62 ± 11 | 84.44/80.95 | Modified Watson-Jones | AR-based portable navigation system | Accelerometer-based portable navigation system |