Likelihood ratio | Quality of evidence | Diagnostic effectiveness across studies | ||||

High | Moderate | Low | Very low | |||

FADIR test (pain provocation) | ||||||

FAI syndrome/labral injury
| ||||||

Based on two meta-analyses (n=188 and n=319)13 and one cohort study (n=49)50 | LR+=0.86–1.04 | Low | n=556 | |||

LR−=0.14–2.3 | Very low | n=319 | n=188 | n=49 | ||

FAI syndrome
| ||||||

Based on nine cohort studies (n=693)45–49 51 52 63 67 | LR+=1.00–3.30 | Low | n=69 | n=624 | ||

LR−=0.09–0.83 | Very low | n=35 | n=94 | n=364 | n=200 | |

Labral injury
| ||||||

Based on seven cohort studies (n=325)49 56 60 61 64 65 68 | LR+=1.00–2.30 | Very low | n=18 | n=307 | ||

LR−=0.06–0.76 | n=127 | n=124 | n=74 | |||

F-IR test (pain provocation) | ||||||

Labral injury
| ||||||

Based on one meta-analysis (n=27)13 and one cohort study (n=30)55 | LR+=1.10–1.28 | Very low | n=57 | |||

LR−=0.15–0.23 | n=27 | n=30 | ||||

FABER test (pain provocation) | ||||||

FAI syndrome
| ||||||

Based on two cohort studies (n=138)45 52 | LR+=0.79–0.87 | Moderate | n=138 | |||

LR−=1.21–1.14 | n=138 | |||||

FABER test (restricted ROM) | ||||||

FAI syndrome
| ||||||

Based on two cohort studies (n=678)52 54 | LR+=1.01–1.36 | Moderate | n=678 | |||

LR−=0.41–0.93 | n=603 | n=75 | ||||

Internal rotation in neutral hip position (restrictedrange of motion)
| ||||||

FAI syndrome
| ||||||

Based on one cohort studies (n=63)45 | LR+=4.83 | Low | n=63 | |||

LR−=0.76 | Moderate | n=63 |

The diagnostic effectiveness of the positive (LR+) and negative (LR) likelihood ratios are classified individually as: very low (LR+: 1–2; LR−: 0.5–1), low (LR+:>2–5; LR−: 0.2-<0.5), moderate (LR+:>5–10; LR−: 0.1–<0.2); high (LR+: >10; LR−: <0.1).

FABER, Flexion Abduction External Rotation; FADIR, Flexion Adduction Internal Rotation; FAI, femoroacetabular impingement; F-IR, Flexion Internal Rotation.