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Table 1 Baseline characteristics and quality of care received, including levels of missing data

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

N = 6205

Number missing (%)

Age, mean (SD)

58.2 (15.2)

37 (0.5)

Female, %

63.7

37 (0.5)

IMD rank, median (Q1, Q3)

639 (300 to 1021)

683 (11.0)

White European, %

90.8

1423 (23.0)

Current smoker, %

22.3

1170 (18.6)

Full time paid employment, %

39.3

1236 (20.0)

Seropositive, %

77.8

1594 (25.7)

Baseline DAS28, mean (SD)

5.1 (1.4)

2130 (34.3)

Follow-up DAS28, mean (SD)

3.5 (1.5)

3864 (62.3)

Change in DAS28, mean (SD)

1.7 (1.6)

4222 (68.0)

Rheumatology Departments

136

0

Symptom duration in days, median (Q1, Q3)

103 (53 to 223)

59 (1.0)

Referral within 3 days, %

17.0

0

Review within 21 days, %

37.2

0

Treatment within 90 days, %

60.1

0

  1. SD standard deviation, IMD index of multiple deprivation, DAS28 disease activity score 28
  2. Patients who were positive for rheumatoid factor and/or anti-citrullinated c-peptide were considered seropositive