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Table 1 Data of patients with negative and positive K. kingae BJI cases

From: First report of Kingella kingae diagnosed in pediatric bone and joint infections in Morocco

Characteristics K. kingae- negative cases N = 19 K. kingae-positive cases N = 27 (58.7%) P-value
Demographics:
Age (years)
  < 6 months 0 (0) 4 (14.8) 0.009
 6–59 months 5 (26.3) 15 (55.6)
 5 y-10 y 14 (73.7) 8 (29.6)
Gender
 Male 12 (63.2) 17 (63.0) 0.618
 Female 7 (36.8) 10 (37.0)
Origin
 Rural 8 (42.1) 8 (29.6) 0.287
 Urban 11 (57.9) 19 (70.4)
Admission features:
Type of the infection
 Septic arthritis 15 (78.9) 21 (77.8) 0.417
 Osteomyelitis 3 (15.8) 4 (14.8)
 Multifocal abscesses 1 (5.3) 0 (0)
 Spondilodiscitis 0 (0) 2 (7.4)
Site of the infection
 Single 17 (89.5) 24 (88.9) 0.448
 Multiple 2 (10.5) 3 (11.1)
Location of limb infection
 Upper 1 (5.3) 3 (11.1) 0.632
 Lower 18 (94.7) 24 (88.9)
Limb affected
 Hip 6 (31.6) 10 (37.0) 0.475
 Femur 2 (10.5) 3 (11.1) 0.667
 Knee 7 (36.8) 14 (51.9) 0.241
Diagnosis on admission
 Magnetic resonance imaging 1 (5.3) 2 (7.4) 0.632
 Pathologic ultrasound 8 (42.1) 14 (51.9) 0.191
  Joint effusion 5 (31.3) 5 (26.3) 0.519
  Soft tissue infiltration 5 (31.3) 11 (57.9) 0.108
  soft tissue abscesses 1 (6.3) 6 (31.6) 0.062
 Abnormal plain radiograph 3 (15.8) 1 (3.7) 0.208
 Purulent discharge 6 (31.6) 3 (11.1) 0.085