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Table 1 Bivariate analyses of 326 RA patients with and without RA on the death certificate

From: Mortality in Rheumatoid Arthritis (RA): factors associated with recording RA on death certificates

  RA recorded  
Demographics Yes (n = 58) No (n = 268) P-value
 Age in years at time of death, mean (SD) 69.3 (9.8) 72.3 (10.1) 0.05
 Women, n(%) 36 (62.1) 161 (60.3) .8
 Ethnicity, n (%)
  White 23 (39.7) 127 (47.6) .3
  Black 2 (3.4) 16 (6.0) -
  Asian 2 (3.4) 1 (0.4) -
  Hispanic 31 (53.4) 123 (45.9) 0.3
  Other 0 1 (0.4) -
Socioeconomic status
 Nam & Powers Score, mean (SD) 41.0 (2.8) 48.4 (1.20) 0.011
 Had insurance at most recent visit, n(%) 54 (93.1) 259 (96.6) .2
Clinical characteristics
 Disease duration in years, mean (SD) 22.7 (13.0) 21.6 (12.0) 0.5
 Presence of rheumatoid nodules, n(%) 37 (63.7) 148 (55.2) 0.2
 Deformities of 28 joints, mean (SD) 17.6 (9.3) 14.0 (9.2) 0.007
 Sharp Scorea, mean (SD) 196.2 (133) 135.6 (109) 0.003
 Steinbrocker functional class
  Class II, n(%) 19 (32.8) 121 (45.1) 0.08
  Class III, n(%) 24 (41.4) 95 (35.6) 0.4
  Class IV, n(%) 14 (24.1) 40 (15.0) 0.08
 Charlson Comorbidity Index, mean (SD) 4.09 (2.3) 4.57 (2.4) 0.2
 BMI, mean (SD) 26.0 (6.9) 27.5 (6.4) 0.1
Death certificates
 Autopsy Performed, n (%) 3 (5.1) 16 (5.9) 0.8
 Who signed Death Certificate, n(%)
  Certified Physician 55 (94.8) 228 (85.1) 0.046
  Medical Examiner 3 (5.2) 36 (9.8) 0.08
  Justice of the Peace 0 (0) 4 (1.5) 0.4
 Place of Death, n (%)
  Home 17 (29.3) 70 (26.1) 0.6
  Hospital 33 (56.9) 148 (55.4) 0.8
  Nursing Home 5 (8.6) 30 (11.2) 0.6
  Other 3 (5.2) 20 (7.5) 0.5
 Primary Cause of Death, n(%)
  Cardiovascular (n = 111) 15 (25.9) 96 (35.8) 0.1
  Respiratory (n = 68) 16 (27.6) 52 (19.5) 0.2
  Neoplasms (n = 51) 12 (20.7) 39 (14.6) 0.2
  Infection (n = 27) 5 (8.6) 22 (8.2) 0.9
  Rheumatoid Arthritis (n = 2) 2 (3.4) 0 -
  Other (n = 67) 8 (13.8) 59 (22.1) 0.2
  1. aHand radiographs were not available for 76 of the 326 deceased RA patients. Of these, 20 had RA listed on the death certificate, while 56 did not