Table 3.
Followup and arthroplasty infection in each group of patients
| Group of patients | THA Group A (with urinary treatment) | THA Group B (without treatment) | HA Group A (with urinary treatment) | HA Group B (without treatment) |
|---|---|---|---|---|
| Arthroplasty infection after 3 months in total series (with bacteria cultured) | 1/111 (0.9%) 1 (negative cultures from fistula and surgical débridement) |
0/117 (0%) | 6/117 (5.1%) (2 MSSE, 2 MRSE, 1 Staphylococcus hominis, 1 MRSA + Proteus mirabilis+ Corynebacterium spp) |
6/126 (4.8%) (1 MSSE 2 MRSA 1 Pseudomonas aeruginosa 1 P aeruginosa + Enterococcus cloacae 1 Klebsiella pneumoniae + P mirabilis) |
| Arthroplasty infection after 3 months in patients with normal urinalysis | 0/76 (0%) | 0/86 (0%) | 3/57 (5.3%) | 4/71 (5.6%) |
| Arthroplasty infection after 3 months in patients with abnormal urinalysis but negative urine culture | 1/32 (3.1%) | 0/26 (0%) | 2/37 (5.4%) | 2/40 (5%) |
| Arthroplasty infection after 3 months in patients with asymptomatic bacteriuria | 0/3 (0%) | 0/5 (0%) | 1/23 (4.3%) | 0/15 (0%) |
| Lost to followup to 1 year | 1/111 (0.9%) | 2/117 (1.7%) | 5/117 (4.3%) | 7/126 (5.6%) |
| Exitus before 1 year | 0/111 (0%) | 3/117 (2.6%) | 17/117 (15%) | 28/126 (22%) |
| Arthroplasty infection after 1 year | 0/111 (0%) (1 infection at 3 months is healed) |
0/117 (0%) | 0/117 (0%) (3 infections at 3 months are healed) (3 patients have died) |
0/126 (0%) (4 infections at 3 months are healed) (2 patients have died) |
HA = hemiarthroplasty; MSSE = methicillin-sensitive Staphylococcus epidermidis; MRSE = methicillin-resistant S epidermidis; MRSA = methicillin-resistant S aureus.