Table 2 |
||
|
Baseline surfactant protein D in serum (ng/ml) in smokers and non-smokers and according to gender in patients and controls |
||
|
RA-patients |
Controls |
|
|
|
||
|
Men |
760 (665;1059) |
967 (921;1024) |
|
Women |
674 (613;759) |
852 (818;902) |
|
P-value* |
0.09 |
< 0.001 |
|
Smokers |
850 (686;1014) (n = 57) |
1187 (1099;1293) (n = 482) |
|
Non-smokers |
671 (604;738) (n = 101) |
827 (802;852) (n = 991) |
|
P-value* |
0.03 |
< 0.001 |
|
|
||
|
Median [95% CI], *Mann-Whitney U-test RA, rheumatoid arthritis |
||
|
Christensen et al. Arthritis Research & Therapy 2010 12:R39 doi:10.1186/ar2948 |
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