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Table 2 Patient demographics of cohort 2

From: Validation of an 18-item version of the Swedish Knee Self-Efficacy Scale for patients after ACL injury and ACL reconstruction

Follow-ups n Age Female (%) BMI Tegner Pre-injury activity level
10 weeks after ACL injury 228 32.2 ± 13.2 (12.3;63) 59 24 ± 3 (15;38) 7 (1;10) (4)
4 months after ACL injury 206 33.8 ± 13.1 (8.7;65.7) 59 24 ± 3 (15;39) 7 (1;10) (4)
8 months after ACL injury 167 36.0 ± 12.6 (9.1;66.0) 59 24 ± 3 (16;37) 6 (1;10) (4)
12 months after ACL injury 133 37.7 ± 12.3 (9.4;66.3) 61 25 ± 4 (15;37) 6 (1;10) (4)
18 months after ACL injury 88 38.2 ± 11.8 (9.9;66.8) 58 25 ± 4 (16;39) 6 (1;10) (3)
Preoperativea 388 27.9 ± 10.3 (13.4;60.9) 64 24 ± 3 (17;39) 8 (1;10) (3)
10 weeks after ACL reconstruction 913 27.5 ± 10.1 (11.5;64.0) 57 24 ± 3 (15;39) 8 (1;10) (3)
4 months after ACL reconstruction 929 27.7 ± 10.0 (11.6;64.1) 56 24 ± 3 (15;39) 8 (1;10) (3)
8 months after ACL reconstruction 877 28.5 ± 10.5 (12.6;64.5) 55 24 ± 3 (18;39) 8 (1;10) (3)
12 months after ACL reconstruction 715 28.7 ± 10.5 (13.0;64.8) 56 24 ± 3 (17;43) 8 (1;10) (3)
18 months after ACL reconstruction 438 30.3 ± 11.1 (13.5;65.3) 55 24 ± 3 (18;36) 8 (1;10) (3)
  1. ACL injury refers to patients treated with rehabilitation, ACL reconstruction refers to patients treated with reconstruction and rehabilitation, Age and Body Mass Index (BMI) is presented as mean ± standard deviation (min;max), Tegner Pre-injury activity level is presented as median (min;max) and (interquartile range)
  2. aFollow-up performed within 6 weeks prior to ACL reconstruction