TableĀ 4

Influence of determinants on radiological OA outcome compartment unspecified in operatively and operatively/non-operatively treated cohorts

GroupDeterminantNumber of studiesSignificant relationship
LR/HR: n studies
No significant relationship
LR/HR: n studies
Best-evidence synthesisComments
Patient characteristicsOlder age9Positive relationship:
HR: 350 65 78
LR: 135
HR: 525 67 68 75 79
Conflicting evidence
Higher BMI5Positive relationship:
HR: 265 68
LR: 135
HR: 267 79
Conflicting evidence
Male sex6Positive relationship:
HR: 168
LR: 135
HR: 425 67 75 79
Moderate evidence for no relationship
Physical examinationLaxity3LR: 135
HR: 234 45
Moderate evidence for no relationship
Range of motion loss4Positive relationship:
HR: 150
LR: 135
HR: 234 45
Moderate evidence for no relationship
Performance single-legged hop test3Negative relationship:
HR: 145
LR: 135
HR: 134
Conflicting evidence
ActivityActivity level before reconstruction2LR: 135
HR: 168
Limited evidence for no relationship
Intra-articularChondral injury8Medial chondral injury:
Positive relationship:
HR: 168
Lateral chondral injury:
None
Patellar chondral injury:
Positive relationship:
HR: 168
Location not reported
Positive relationship:
LR: 135
HR: 333 50 73
Medial chondral injury:
None
Lateral chondral injury:
HR: 168
Patellar chondral injury:
None
Location not reported
HR: 323 25 49
Medial chondral injury:
Limited evidence for positive relationship
Lateral chondral injury:
Limited evidence for no relationship
Patellar chondral injury:
Limited evidence for positive relationship
Location not reported
Conflicting evidence
Meniscal injury/meniscectomy19Positive relationship:
Medial meniscus injury/meniscectomy:
LR: 135
HR: 5 (49, 55, 67, 68: concurrent*, 75)
Lateral meniscus injury/meniscectomy:
None
Both meniscectomy:
149
Location not reported:
HR: 936 39 50 51 54 70 73 74 78

Medial meniscus injury/meniscectomy:
HR: 1 (68: prior*)
Lateral meniscus injury/meniscectomy:
LR: 135
HR: 4 (49, 67, 68: prior and concurrent, 75)
Both meniscectomy
None
Location not reported:
HR: 423 32 59 79

Medial meniscus injury/meniscectomy:
Moderate evidence positive relationship
Lateral meniscus injury/meniscectomy:
Moderate evidence no relationship
Both meniscectomy:
Limited evidence for positive relationship
Location not reported:
Conflicting evidence

*Li et al;68 concurrent: meniscectomy concurrent with ACL reconstruction; prior: meniscectomy prior to ACL reconstruction
Longer time between injury and reconstruction7Positive relationship
HR: 436 68 74 78
LR: 135
HR: 225 79
Conflicting evidence
ACL reconstruction (vs non-operative treatment)5Positive relationship:
HR: 165
Negative relationship:
HR: 272 77
HR: 230 79Conflicting evidence
Graft type BPTB (vs HT)7Positive relationship:
HR: 524 29 38 45 68
HR: 223 28Conflicting evidence
Graft type allograft (vs autograft)2Positive relationship:
HR: 168
HR: 126Conflicting evidence
Tunnel placement4Positive relationship:
HR: 168
HR: 338 46 58Limited evidence for no relationship
Single bundle (vs double bundle)2HR: 225 27Limited evidence for no relationship
  • *Refers to the comment in the last column in the same row.

  • ACL, anterior cruciate ligament; BMI, body mass index; BPTB, bone-patellar tendon-bone; HT, hamstring tendon; HR, high risk of bias studies; LR, low risk of bias studies; OA, osteoarthritis.