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Table 3 Comparison of sharp score among different variables

From: Effective factors on Sharp Score in patients with rheumatoid arthritis: a retrospective study

Quantitative Variables Group Sharp score Z P value
Sex Female 21.00 (7.00, 60.13) 9.482 0.002
Male 17.00 (7.00, 42.13)
Age <50 years 10.00 (3.00, 45.00) 154.33 0.000
≥50 years 24.00 (10.00, 60.13)
Symptom duration <5 years 5.5 (0.00, 1.50) 443.97 0.000
≥5 years 25 (10.50, 64.00)
DSA28 score <3.2 0.50 (0.00, 1,50) 2813.43 0.000
≥3.2<5.1 6.50 (3.50, 10.00)
≥5.1 47.00 (25.50, 89.00)
RF Positivity 23.00 (8.00, 64.63) 94.01 0.000
Negativity 13.00 (4.38, 35.63)
CCP Positivity 20.00 (7.00, 57.38) 3.027 0.082
Negativity 17.50 (5.50, 47.00)
Ever smoker Yes 20.75 (4.50, 55.50) 0.996 0.318
No 19.50 (7.00, 56.50)
Ever drinker Yes 20.00 (7.50, 56.50) 3.827 0.050
No 19.50 (4.50, 55.00)
Radiographic grading of hands I 1.50 (0.50, 2.50) 3546.75 0.000
II 10 (6.50, 14.00)
III 28.50 (23.00, 37.00)
IV 87.00 (61.50, 122.50)
  1. Subgroup analyses for sharp score, according different variables (Sex, Age, Symptom duration, DSA28 score, RF, CCP, smoking history, drinking history, Radiographic grading of hands)