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Table 1 Clinical and biologic characteristics of patients stratified by lymphoid neogenesis

From: Synovial cytokine expression in psoriatic arthritis and associations with lymphoid neogenesis and clinical features

Demographic All (n = 46) LN+ (n = 20) LN- (n = 26) P
Age (years) 50 (37; 61) 48 (36; 59) 54 (38.5; 63) NS
Male (%) 26 (57) 13 (65) 13 (50) NS
Disease duration (years) 7.5 (3.75; 13) 6 (2; 14) 8 (4.5; 12.5) NS
Follow-up (months) 27 (9; 52) 21 (8; 50) 27 (12; 55) NS
Clinical status
TJC 1 (1; 2) 1 (1; 2) 1 (1; 2) NS
SJC 1 (1; 2) 1 (1; 2) 1 (1; 2) NS
Articular pattern, n (%)     
   Oligoarthritis 23 (50) 13 (57) 10 (43) NS
   Poliarthritis 18 (39) 7 (39) 11 (61)  
   Mixed (peripheral plus axial) 5 (11) 2 (40) 3 (60)  
ESR (mm/h) 19 (10; 30) 20 (9; 31) 18 (12; 25) NS
CRP (mg/dl) 0.72 (0.32; 2.01) 1.00 (0.51; 1.83) 0.44 (0.29; 2.32) NS
DAS28 3.31 (3.01; 4.2) 3.31 (2.94; 4.14) 3.34 (3.01; 4.28) NS
Erosive disease, n (%) 12 (26) 7 (35) 5 (19) NS
Treatment
DMARDs taken, n (%) 23 (50) 12 (60) 11 (42) NS
TNF-blockers, n (%) 8 (17) 1 (5) 7 (27) 0.041
EULAR response Treated (n = 28) LN+ (n = 11) LN- (n = 17) P
   No response, n (%) 8 (29) 3 (27) 5 (29) 0.541
   Moderate, n (%) 7 (25) 4 (36) 3 (18)  
   Good, n (%) 13 (46) 4 (36) 9 (53)  
  1. Data are expressed as median (IQR) or as percentage.