|
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)
|
- ASA American Society of Anaesthesiologists, BMI body mass index, MRSA methicillin-resistant Staphylococcus aureus, CRP C-reactive protein, ESR erythrocyte sedimentation rate, WBC white blood cell, PMN polymorphonuclear neutrophils
