Table 1 Demographic and Clinical data (12 Patients, 15 Knees)
Age (years) | 65.9 (48–82) |
Gender | |
Male | 3 (25%) |
Female | 9 (75%) |
BMI (kg./m2) | 27.7 (22.9–42.0) |
ASA Classification | |
I | 3 (25%) |
II | 8 (67%) |
III | 1 (8%) |
Comorbidities | |
Diabetes | 6 (50%) |
Hypertension | 10 (83%) |
Chronic renal failure | 1 (8%) |
Rheumatoid arthritis | 1 (8%) |
Coronary artery disease | 1 (8%) |
Duration of symptom (hours) | 107.2 (24–240) |
Preoperative laboratory data | |
Serum ESR (mm/hour) | 92.7 (60–155) |
Serum CRP (mg/L) | 173.4 (14–381) |
Synovial WBC (Cell/mm3) | 52,736 (3400 - 140,000) |
Synovial PMN (%) | 96.1 (82–100) |
Culture | |
No growth | 10 (66.7%) |
Group A streptococcus | 2 (13.3%) |
Group B streptococcus | 1 (6.7%) |
Staphylococcus aureus (MRSA) | 2 (13.3%) |
Duration of Intraarticular injection (days) | 17.5 (7–24) |
Time to normal serum CRP (days) | 71.4 (23–312) |
Length of stay (days) | 36.7 (4–66) |
Follow up time (months) | 93.3 (56–133) |