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Table 1 Baseline characteristics of patients with Streptococcal or MSSA PJIs

From: Streptococcal and Staphylococcus aureus prosthetic joint infections: are they really different?

Characteristic Streptococcal PJIs patients
(n = 86)
MSSA PJIs
patients
(n = 123)
P
Age (years) 76 [68–84]a 73 [65–80] 0.030
Sex (male/female) 41 (48) / 45 (52) 63 (51) / 60 (49) 0.674
ASA score ≥ 3 41 (48) 64 (52) 0.575
Body mass index (kg/m.2) 28 [24-30] 27 [23-30] 0.318
Atrial fibrillation 7 (20) 19 (15) 0.457
Cardiovascular diseases 34 (40) 34 (28) 0.072
Hypertension 57 (66) 76 (62) 0.466
Immunosuppressive therapy 2 (2) 7 (6) 0.315
Rheumatological inflammatory diseases 4 (5) 6 (5) 1.000
Diabetes 10 (11) 25 (20) 0.132
Chronic dermatosis 8 (9) 6 (5) 0.262
Malignancy within the last 5 years 8 (9) 3 (2) 0.054
Renal insufficiency.b 4 (5) 6 (5) 1.000
Cirrhosis 1 (1) 3 (2) 0.646
Prosthetic knee infection 31 (36) 55 (45) 0.253
Prosthetic hip infection 55 (64) 68 (55) 0.253
Multiple concomitant PJIs 5 (6) 7 (6) 1.000
 Bilateral knee PJIs 2 (2) 4 (3) 1.000
 Bilateral hip PJIs 3 (3) 3 (2) 1.000
Prior PJI-treatment and failure 14 (16) 49 (40)  < 0.0001
Acute PJIs (lasting < 3 weeks at admission) 42 (49) 45 (37) 0.088
 PJI duration before surgery in our Center (days) 6 [2,3,4,5,6,7,8,9,10,11,12] 7 [4,5,6,7,8,9,10,11,12,13] 0.356
 Postoperative PJI 0 17 (38)  < 0.0001
 Hematogenous PJI 42 (100) 24 (53)  < 0.0001
 Unknown 0 4 (9) 0.117
Chronic PJIs (lasting > 3 weeks at admission) 44 (51) 78 (63) 0.088
 PJI duration before surgery in our Center (days) 200 [97–355] 171 [113–330] 0.695
 Postoperative PJIs 2 (5) 30 (38) 0.001
 Hematogenous PJIs 33 (75) 34 (44) 0.001
 Unknown 9 (20) 14 (18) 0.811
  1. ASA American Society of Anesthesiologists, DAIR debridement, antibiotics and implant retention, MSSA methicillin-susceptible Staphylococcus aureus, PJI prosthetic joint infection
  2. aResults are expressed as number (%) or median [interquartile range] for continuous variables
  3. beGFR < 30 mL/min/1.73 m2