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Table 3 Baseline characteristics, disease activity, and quality of care received stratified by complete and incomplete baseline DAS28 data

From: Data quality predicts care quality: findings from a national clinical audit

 

Complete baseline DAS28 data

Incomplete baseline DAS28 data

p values

(N = 4075)

(N = 2130)

Age, mean (SD)

59.0 (14.8)

56.6 (15.8)

< 0.0001

Female

64.1%

62.8%

0.3

IMD rank, median (Q1, Q3)

638 (306, 1021)

639 (270, 1021)

0.3

White European

90.6%

91.3%

0.5

Current Smoker

23.5%

19.8%

0.003

Full time paid employment

36.8%

40.7%

0.008

Seropositive

83.0%

65.3%

< 0.0001

DAS28 at follow-up, mean (SD)

3.5 (1.5)

3.6 (1.5)

0.3

Symptom duration in days, median (Q1, Q3)

98 (52, 208)

114 (56, 256)

0.0001

Referral letter states EIA

91.2%

88.8%

0.002

Referral within 3 days

16.5%

18.0%

0.1

Review within 21 days

36.9%

36.7%

0.6

Treatment within 90 days

65.3%

50.3%

< 0.0001

  1. SD standard deviation, IMD index of multiple deprivation, DAS28 disease activity score 28, EIA early inflammatory arthritis
  2. Patients who were positive for RF and/or anti-CCP were considered seropositive