Table 2.
Demographic information
| Variable | All (n = 17) |
Primary ACLR (n = 6) |
Revision ACLR (n = 11) |
P-value |
|---|---|---|---|---|
| Age† | 31.9 ± 7.6 | 34.3 ± 9.2 | 30.6 ± 6.7 | 0.36 |
| Sex | 0.51 | |||
| Male | 14 (82.4%) | 6 (100.0%) | 8 (72.7%) | |
| Female | 3 (17.7%) | 0 (0.0%) | 3 (27.3%) | |
| BMI† (kg/m2) | 27.9 ± 7.2 | 30.5 ± 11.5 | 26.5 ± 3.3 | 1.00 |
| Race | 0.003* | |||
| White or Caucasian | 11 (64.7%) | 1 (16.7%) | 10 (90.9%) | |
| Black or African-American | 2 (11.8%) | 1 (16.7%) | 1 (9.1%) | |
| Asian and/or Pacific Islander | 3 (17.7%) | 3 (50.0%) | 0 (0.0%) | |
| Other | 1 (5.9%) | 1 (16.7%) | 0 (0.0%) | |
| Smoking history | 1.00 | |||
| Never smoker | 10 (58.8%) | 3 (50.0%) | 7 (63.6%) | |
| Former smoker | 2 (11.8%) | 1 (16.7%) | 1 (9.1%) | |
| Current smoker | 5 (29.4%) | 2 (33.3%) | 3 (27.3%) | |
| ASA physical status classification | 0.55 | |||
| 1 | 10 (58.8%) | 3 (50.0%) | 7 (63.6%) | |
| 2 | 6 (35.3%) | 2 (33.3%) | 4 (36.4%) | |
| 3 | 1 (5.8%) | 1 (16.7%) | 0 (0.0%) | |
| Laterality of index knee | 0.64 | |||
| Left | 7 (41.2%) | 3 (50.0%) | 4 (36.4%) | |
| Right | 10 (58.8%) | 3 (50.0%) | 7 (63.6%) | |
| KL grade of knee osteoarthritis | 0.81 | |||
| 0 | 7 (41.2%) | 3 (50.0%) | 4 (36.4%) | |
| 1 | 2 (11.8%) | 0 (0.0%) | 2 (18.2%) | |
| 2 | 8 (47.1%) | 3 (50.0%) | 5 (45.5%) | |
| Prior non-ACLR index knee surgery | 13 (76.5%) | 4 (66.7%) | 9 (81.8%) | 0.58 |
| Medial APM | 13 (76.5%) | 4 (66.7%) | 9 (81.8%) | 0.58 |
| Lateral APM | 4 (23.5%) | 2 (33.3%) | 2 (18.2%) | 0.58 |
| ACL debridement | 4 (23.5%) | 2 (33.3%) | 2 (18.2%) | 0.58 |
| Shaving chondroplasty | 4 (23.5%) | 2 (33.3%) | 2 (18.2%) | 0.58 |
| Follow-up time (months)† | 56.8 ± 31.1 | 44.2 ± 26.6 | 63.7 ± 32.4 | 0.29 |
BMI body mass index, ASA American Society of Anesthesiologists, KL Kellgren–Lawrence, APM arthroscopic partial meniscectomy, ACL anterior cruciate ligament
*P-value < 0.05
†Means reported with standard deviation