Table 2

Number of operations over the 5 years of follow-up collected from registries

 Early ACL reconstruction (n=61)Delayed optional ACL reconstruction (n=59)Operation rate/ratio (95% CI)*
Length of hospital stay=0Length of hospital stay >0Length of hospital stay=0Length of hospital stay >0Early vs Delayed optional ACLR
Cruciate ligament operation (NGE41) as main operation†372822101.9 (1.2 to 3.0)
Meniscus operation (NGD)27194870.8 (0.5 to 1.2)
 As main operation91324
 As secondary operation1818163
Other knee- and leg-related operations (NGE 11, NGA, NGF, NGH, NGK, NGM, NGR, NGT, NGU, TNG, QD)8646001.4 (1.0 to 2.0)
 As main operation782590
 As secondary operation8210
Other operations803964171.4 (1.1 to 1.9)
 As main operation429366
 As secondary operation38302811
  • A detailed description of all adverse events, including all surgeries, over the first 2 years of the trial was published in the web appendix of Frobell et al.2

  • *Number of total operations divided by person-years follow-up.

  • †One person in the early ACL reconstruction group did not undergo ACL reconstruction.

  • ACLR, anterior cruciate ligament reconstruction.