Table 1 Baseline characteristics of the patients
Characteristics | AS | HC | Overall | P-value |
|---|---|---|---|---|
(N = 12) | (N = 12) | (N = 24) | ||
Age | Â | Â | Â | Â |
Mean (SD) | 40.4(7.25) | 54.9(10.7) | 47.7(11.6) |  < 0.001 |
Median [Min, Max] | 40.0[28.0,52.0] | 55.0[34.0,68.0] | 47.0[28.0,68.0] | Â |
Sex | Â | Â | Â | Â |
Female | 11(91.7%) | 7(58.3%) | 18(75.0%) | 0.157 |
Male | 1(8.3%) | 5(41.7%) | 6(25.0%) | Â |
BMI | Â | Â | Â | Â |
Mean (SD) | 20.7(2.46) | 21.8(3.74) | 21.2(3.15) | 0.395 |
Median [Min, Max] | 21.2[16.0,24.7] | 21.9[15.9,27.7] | 21.4[15.9,27.7] | Â |
WBC | Â | Â | Â | Â |
Mean (SD) | 8.78(2.68) | 7.31(2.38) | 8.04(2.59) | 0.168 |
Median [Min, Max] | 9.04[5.05,13.6] | 6.23[5.01,12.4] | 7.68[5.01,13.6] | Â |
Neu% | Â | Â | Â | Â |
Mean (SD) | 0.718(0.0856) | 0.649(0.113) | 0.683(0.104) | 0.109 |
Median [Min, Max] | 0.720[0.591,0.831] | 0.613[0.538,0.905] | 0.683[0.538,0.905] | Â |
Lym% | Â | Â | Â | Â |
Mean (SD) | 0.188(0.067) | 0.247(0.105) | 0.218(0.091) | 0.124 |
Median [Min, Max] | 0.187[0.103,0.296] | 0.254[0.062,0.380] | 0.207[0.062,0.380] | Â |
Mon% | Â | Â | Â | Â |
Mean (SD) | 0.072(0.023) | 0.077(0.029) | 0.075(0.026) | 0.662 |
Median [Min, Max] | 0.066[0.040,0.115] | 0.078[0.028,0.123] | 0.074[0.028,0.123] | Â |
ESR | Â | Â | Â | Â |
Mean (SD) | 30.4(19.8) | 18.2(28.1) | 24.3(24.6) | 0.232 |
Median [Min, Max] | 29.0[5.00,70.0] | 6.50[3.00,98.0] | 14.0[3.00,98.0] | Â |
CRP | Â | Â | Â | Â |
 < 10 | 1 (8.3%) | 7 (58.3%) | 8 (33.3%) | 0.03 |
 > 10.00 | 11 (91.7%) | 5 (41.7%) | 16 (66.7%) |  |
hsCRP | Â | Â | Â | Â |
 < 0.8 | 1 (8.3%) | 8 (66.7%) | 9 (37.5%) | 0.004 |
 > 10.00 | 11 (91.7%) | 3 (25.0%) | 14 (58.3%) |  |
 > 10 | 0 (0%) | 1 (8.3%) | 1 (4.2%) |  |
HLA-B27 | Â | Â | Â | Â |
Positive ( +) | 12 (100%) | 0 (0%) | 12 (50.0%) |  < 0.001 |
− | 0 (0%) | 12 (100%) | 12 (50.0%) |  |
Diagnosis | Â | Â | Â | Â |
AS | 12 (100%) | 0 (0%) | 12 (50.0%) |  < 0.001 |
LSS | 0 (0%) | 12 (100%) | 12 (50.0%) | Â |