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Table 4 Demographics by Scadding stage

From: Clinical characteristics and organ system involvement in sarcoidosis: comparison of the University of Minnesota Cohort with other cohorts

Stage 0 I II III IV p value
Number of subjects 70 (37.4%) 21 (11.2%) 47 (25.1%) 45 (24.1%) 4 (2.1%)  
Age at enrollment (years) 52.5 ± 12.2 49.0 ± 12.5 53.9 ± 13.2 54.5 ± 12.7 53.5 ± 9.7 0.55
Age at diagnosis (years) 47.1 ± 12.3 43.2 ± 11.7 45.9 ± 13.9 45.0 ± 11.6 41.5 ± 4.2 0.67
BMI (kg/m2) 31.5 ± 7.9 30.3 ± 5.0 31.2 ± 5.2 31.6 ± 8.5 29.3 ± 4.1 0.94
Sex
 Male 30 (16.0) 12 (6.4) 31 (16.6) 26 (13.9) 4 (2.1) 0.04
 Female 40 (21.4) 9 (4.8) 16 (8.6) 19 (10.2) 0 (0.0)  
Race
 White 52 (27.8) 12 (6.4) 38 (20.3) 29 (15.5) 1 (0.5) 0.04
 Black 9 (4.8) 3 (1.6) 7 (3.7) 11 (5.9) 2 (1.1)  
 Asian 3 (1.6) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0)  
 American Indian or Alaska Native 1 (0.5) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0)  
 Choose not to answer 5 (2.7) 6 (3.2) 2 (1.1) 5 (2.7) 1 (0.5)  
Smoking status
 Current 6 (3.2) 2 (1.1) 3 (1.6) 3 (1.6) 1 (0.5) 0.27
 Former 28 (15.0) 3 (1.6) 18 (9.6) 20 (10.7) 2 (1.1)  
 Never 36 (19.3) 16 (8.6) 26 (13.9) 22 (11.8) 1 (0.5)