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Table 2 Distribution of initial severity scores calculated with the first factorial axis of the multiple correspondence analysis according to rheumatic disorders reported by CHIKV + patients in 2008 (N = 85), cohort of French Gendarmes (2006–2008)

From: Identification of initial severity determinants to predict arthritis after chikungunya infection in a cohort of French gendarmes

 

No rheumatic disordersd

Arthralgiad

p*

Arthritisd

p*

 

N = 13 (15.3%)

N = 33 (38.8%)

 

N = 39 (45.9%)

 

Median overall severity score (IQ)

0 (0–39.7)

60.8 (22.3-79.6)

0.024

73.2 (60.9-82.3)

0.001

Median acute stage severity score (IQ)

0 (0–43.3)

60.0 (24.9-78.8)

0.042

75.4 (56.5-82.0)

0.002

Median early chronic stage severity score (IQ)

0 (0–61.7)

61.7 (31.1-89.1)

0.025

72.6 (50.3-100.0)

0.001

  1. IQ: interquartile 25%-75%.
  2. *Kruskal-Wallis test comparing the distribution of severity scores according to rheumatic symptoms, considering “No rheumatic disorders” as reference.
  3. dArthralgia = joint pain and/or stiffness. Arthritis = swelling in addition to joint pain and stiffness.