Background
Methods
Ethics, consent, and permissions
Patients
Surgical methods
Arthroscopic internal drainage (group A)
Open excision after arthroscopic treatment (group B)
Open excisions (group C)
Follow-up visits
Statistics
Results
Group A | Group B | Group C |
F/x
2
|
P value | ||
---|---|---|---|---|---|---|
Age | 55.3 ± 9.8 | 55.4 ± 7.6 | 54.2 ± 8.5 | 0.151 | 0.860 | |
Gender | Male | 15 | 9 | 11 | 0.064 | 0.968 |
Female | 17 | 10 | 14 | |||
Preoperative Lysholm score | 47.3 ± 5.7 | 47.3 ± 5.4 | 47.4 ± 4.7 | 0.001 | 0.999 | |
Preoperative VAS score | 6.5 ± 0.8 | 6.6 ± 0.9 | 6.2 ± 0.7 | 1.769 | 0.178 | |
Perioperative complications | 0 | 0 | 0 | |||
Symptomatic DVT/PE | Yes | 4 | 3 | 4 | 0.174 | 0.917 |
No | 28 | 16 | 21 | |||
Follow-up time (months) | 13.8 ± 2.7 | 13.7 ± 2.2 | 13.7 ± 2.3 | 0.006 | 0.994 |
Group A | Group B | Group C | ||
---|---|---|---|---|
Surgical time (min) | 63.7 ± 12.7 | 109.2 ± 25.4 | 62.5 ± 9.6 | |
Length of incision (cm) | 1.6 ± 0. 1 | 13.7 ± 2.7 | 10.6 ± 1.8 | |
Incision healing | Grade 1 | 32 | 14 | 18 |
Grade 2 | 0 | 5 | 7 | |
Postoperative VAS score | 2.7 ± 1.2 | 4.1 ± 0.7 | 3.8 ± 0.8 | |
Hospitalization time (days) | 7.8 ± 2.8 | 15.9 ± 3.4 | 15.9 ± 5.5 | |
Recovery to grade 0 or I cysts | 96.9% | 94.8% | 60% | |
Recurrence rate | 3.1% | 5.2% | 40% | |
Lysholm score at last follow-up | 85.8 ± 5.2 | 80.3 ± 3.9 | 78.9 ± 5.0 |
Group A vs B | Group A vs C | Group B vs C | ||||
---|---|---|---|---|---|---|
t/x
2
|
P value |
t/x
2
|
P value |
t/x
2
|
P value | |
Surgical time (min) | − 45.523 | < 0.001 | 1.208 | 0.779 | 46.731 | < 0.001 |
Length of incision (cm) | − 12.109 | < 0.001 | − 9.012 | < 0.001 | 3.097 | < 0.001 |
Incision healing rate | 9.336 | 0.002 | 10.214 | 0.001 | 0.015 | 0.901 |
Postoperative VAS score | − 1.449 | < 0.001 | − 1.104 | < 0.001 | 0.345 | 0.228 |
Hospitalization time (days) | − 8.051 | < 0.001 | − 8.076 | < 0.001 | − 0.025 | 0.983 |
Recovery to grade 0 or I cysts | 0.145 | 0.704 | 12.254 | < 0.001 | 6.947 | 0.008 |
Recurrence rate | 0.145 | 0.704 | 12.254 | < 0.001 | 6.947 | 0.008 |
Lysholm score at last follow-up | 5.581 | < 0.001 | 6.964 | < 0.001 | 1.383 | 0.349 |