Skip to main content

Table 1 Patient demographics and disease characteristics

From: Frequency and predictors of the lupus low disease activity state in a multi-national and multi-ethnic cohort

 

Number (%)c or mean (SD) or median (IQR 25–75) (n = 1846 patients)

Country

 Australia

240 (13.00 %)

 China

235 (12.73 %)

 Hong Kong

190 (10.29 %)

 Indonesia

98 (5.31 %)

 Malaysia

193 (10.46 %)

 Philippines

124 (6.72 %)

 Singapore

221 (11.97 %)

 Taiwan

295 (15.98 %)

 Thailand

250 (13.54 %)

Ethnicity

 Caucasian

126 (6.73 %)

 Chinese

1008 (54.60 %)

 Filipino

132 (7.15 %)

 Indonesian

102 (5.53 %)

 Thai

255 (13.81 %)

 Malay

98 (5.31 %)

 Vietnamese/Cambodian

24 (1.30 %)

 Indian/Sri Lankan

64 (3.47 %)

 Othera

37 (2.00 %)

Female gender

1723 (93.34 %)

Age at diagnosis (years)

29.34 (12.35)

Age at diagnosis ≤30 years

973 (52.71 %)

Disease duration at enrollment (years)

8.64 (8.50)

Disease duration at enrollment ≤1 year

149 (8.07 %)

Current smoker

67 (3.63 %)

First-degree relative with SLE

117 (6.34 %)

Highest attained education level

 Primary

242 (13.11 %)

 Secondary

572 (30.99 %)

 Tertiary

618 (33.48 %)

ACR criteriab

 Malar rash

1087 (58.88 %)

 Discoid rash

290 (15.71 %)

 Photosensitivity

537 (29.09 %)

 Mouth ulcers

670 (36.29 %)

 Arthritis

1205 (65.28 %)

 Serositis

313 (16.96 %)

 Renal

803 (43.50 %)

 Neurologic

160 (8.67 %)

 Haematologic

1118 (60.56 %)

 Immunologic

1547 (83.80 %)

ANA

1627 (88.14 %)

Number of ACR criteria for SLE

5.07 (1.39)

Number of SLICC criteria for SLE

5.70 (2.47)

SLICC-DI score at enrollment

0 (0–1)

Damage present at enrollmentd

694 (37.59 %)

PGA at enrollment

0.6 (0.3–1)

Mild flare since last clinical review

210 (11.38 %)

Severe flare since last clinical review

111 (5.94 %)

SLEDAI-2 K score

4 (2–6)

SLEDAI-2 K no complement or dsDNA

0 (0–4)

  1. aOther includes Hispanic, African, other South-East Asian, Pacific Islander and mixed ethnicity. bEver present arthritis (two or more joints with tenderness, swelling or effusion), serositis (pleuritis or pericarditis), renal disorder (persistent proteinuria >0.5 g/day, or presence of cellular casts), neurologic disorder (seizures or psychosis not attributable to other causes), haematologic disorder (haemolytic anaemia, leukopenia, lymphopenia or thrombocytopenia), immunologic criteria (presence of anti-dsDNA antibody, anti-Sm antibody, or positive finding of antiphospholipid antibodies). cPercent present shown in table, percent absent and missing not shown in table. dSLICC-DI >0. SLE systemic lupus erythematosus, ACR American College of Rheumatology, SLEDAI SLE disease activity index, SLICC Systemic Lupus International Collaborating Clinics, DI damage index, PGA Physician Global Assessment, ANA antinuclear antibody, dsDNA double-stranded DNA