Table 1. Clinical characteristics of patients with spondyloarthritis in outpatient’s clinic of the General Hospital of Alicante (Spain 2014).
| Women (n = 54) | Men (n = 96) | P value | |
|---|---|---|---|
| Current age | |||
| Mean (95% CI), years | 49.6 (45.8 to 53.4) | 51.6 (48.9 to 54.3) | 0.39a |
| Age at onset | |||
| Mean (95% CI), years | 31.2 (27.5 to 35.0) | 30.9 (28.2 to 33.5) | 0.87a |
| Age at diagnosis | |||
| Mean (95% CI), years | 41.9 (38.4 to 45.4) | 39.1 (36.4 to 41.7) | 0.20a |
| Disease duration | |||
| Median (IQR), years | 16.0 (16.0) | 18.1 (21.5) | 0.31b |
| Type of Spondyloarthritis | |||
| Axial, n (%) | 14 (25.9) | 44 (45.8) | 0.0006 c |
| Peripheral, n (%) | 15 (27.8) | 6 (6.3) | |
| Axial and peripheral, n (%) | 25 (46.3) | 46 (47.9) | |
| Familiar history | |||
| Presence, n (%) | 12 (22.2) | 21 (21.8) | 0.96d |
| HLA-B27 | |||
| Positive, n (%) | 32 (59.3) | 74 (77.1) | 0.02d |
| Tobacco, n = 143 | |||
| Smoker, n (%) | 10 (19.2) | 25 (27.5) | 0.27d |
| Body Mass Index, n = 137 | |||
| Median (IQR), kg/m2 | 25.1 (5.6) | 25.9 (5.5) | 0.41b |
Data analysed in the variables: Tobacco, 52 women and 91 men smokers; Body Mass Index, 50 women and 87 men.
Values are mean and 95% confident interval (CI) for parametric continuous variables; median and interquartile range (IQR) for non-parametric continuous; number (n) and percentage (%) for qualitative.
a Student’s T-test;
b Mann Whitney U test;
c Chi-square test for homogeneity;
d Pearson’s Chi-square test.
Significant results are marked in bold (p < 0.05).