Table 5 Correlation between basic characteristics of SLE and subclinical lung involvement

Age, years (mean, SD)

33.71

8.17

20.6

3.53

< 0.001†

F-sex (n, %)

120

71.43

60

100

< 0.001*

Disease duration, years (mean, SD)

5.82

3.81

3.6

0.494

< 0.001†

Fever (n, %)

48

28.57

24

40

0.11*

Fatigue (n, %)

48

28.57

12

20

0.19*

Arthralgia (n, %)

72

42.86

24

40

0.71*

Arthritis (n, %)

84

50

36

60

0.18*

Myalgia (n, %)

12

7.14

24

40

< 0.001*

Alopecia (n, %)

84

50

48

80

< 0.001*

Photosens (n, %)

12

7.14

24

40

< 0.001*

Ulcers (n, %)

48

28.57

36

60

< 0.001*

m. rash (n, %)

84

50

60

100

< 0.001*

disc.rash (n, %)

24

14.29

0

0

< 0.001*

sk. Rash (n, %)

48

28.57

0

0

< 0.001*

Purpura (n, %)

12

7.14

0

0

0.03*

DVT (n, %)

12

7.14

12

20

0.005*

Vasculitis (n, %)

12

7.14

12

20

0.005*

Raynaud (n, %)

24

14.29

36

60

< 0.001*

LL edema (n, %)

24

14.29

0

0

< 0.001*

Seizures (n, %)

0

0

12

20

< 0.001*

Psychosis (n, %)

0

0

24

40

< 0.001*

Headache (n, %)

12

7.14

36

60

< 0.001*

WBCs (mean, SD)

7.21

3.29

4.86

2.49

< 0.001†

HB (mean, SD)

11.75

1.58

9.08

0.995

< 0.001†

PLT (mean, SD)

232.4

97.5

177.4

88.1

< 0.001†

ESR (mean, SD)

35.7

22

49

19.2

< 0.001†

CRP (mean, SD)

4.15

3.47

21.8

40

< 0.001†

BUN (mean, SD)

13.99

6.72

20.4

7.54

< 0.001†

S. CRT (mean, SD)

0.736

0.259

1.8

1.06

< 0.001†

24H PTN (mean, SD)

445

613

2304

1887

< 0.001†

CRT. CL. (mean, SD)

127.4

58.9

78.2

22.9

< 0.001†

S. alb. (mean, SD)

3.607

0.433

2.72

0.374

< 0.001†

ALT (mean, SD)

35.1

12.1

46.4

4.21

< 0.001†

AST(mean, SD)

18.89

3.94

19.8

4.1

0.13†

Pyuria (n, %)

48

28.57

36

60

< 0.001*

Heamturia (n, %)

48

28.57

36

60

< 0.001*

Casts (n, %)

24

14.29

24

40

< 0.001*

antidsDNA (n, %)

144

85.71

60

100

0.002*

C3 (n, %)

144

85.71

60

100

0.002*

C4 (n, %)

144

85.71

60

100

0.002*

SLEDA (mean, SD)

8.29

5.73

25.4

8.5

< 0.001†

SLEDA score (mean, SD)

2.14

1.06

3.4

0.807

< 0.001†

SLICC damage index (mean, SD)

1.714

0.798

3.6

0.807

< 0.001†