Table 1.
Clinical characteristics of ITP and controls.
| Variable | ITP N (%) | Controls N (%) | P-value* |
|---|---|---|---|
| Total | 171 | 186 | |
| Age; Mean ±SD | 46.09±1.40 | 43.08±0.84 | 0.06 |
| Gender | 0.08 | ||
| Male | 46 (26.90) | 66 (35.48) | |
| Female | 125 (73.10) | 120 (64.5) | |
| HBsAg+ | 31 (18.13) | 17 (9.14) | 0.01 |
| HBsAg−/HBcAb+ | 48 (28.07) | 110 (59.14) | <0.01 |
| HBsAg−/HBcAb− | 92 (53.80) | 59 (31.72) | <0.01 |
| HBsAb+ | 85 (49.71) | 134 (72.04) | <0.01 |
| HBsAb−/HBcAb+ | 23 (13.45) | 30 (16.13) | 0.47 |
| HBsAb−/HBcAb− | 63 (36.84) | 22 (11.84) | <0.01 |
| Use of glucocorticoid | 138 (80.70) |
*
The difference of mean ±SD between cases and controls were calculated with student’s t-test, others were analyzed by χ2 statistic.
ITP – immune thrombocytopenia; HBsAg – hepatitis B surface antigen; HBsAb – antibody to HBsAg; HBcAb – antibody to hepatitis B core antigen.