Table 2. Incidence of PA in subgroups.
| Characteristics | PA (n = 97) | % | P | |
|---|---|---|---|---|
| Age (years) | ||||
| ≤35 | 16 | 2.73 | 0.000* | |
| 36~45 | 18 | 3.47 | ||
| 46~55 | 28 | 6.64 | ||
| ≥56 | 35 | 7.09 | ||
| Women | 27 | 2.51 | 0.000* | |
| Men | 70 | 7.41 | ||
| Hypertension | 9 | 9.28 | 0.338* | |
| Diabetes | 2 | 2.06 | 1.000 | |
| History of pituitary operation | 3 | 1.79 | 0.056* | |
| Pathological staining | ||||
| Null (non functional) | 63 | 7.31 | NA | |
| Functional | 34 | 2.93 | ||
| PRL | 7 | 1.41 | ||
| GH | 8 | 3.88 | ||
| ACTH | 1 | 2.33 | ||
| TSH | 2 | 7.41 | ||
| FSH | 10 | 5.49 | ||
| LH | 0 | 0 | ||
| Others | 4 | 3.4 | ||
| Multiple staining | 2 | 2.3 | ||
| Total patients | ||||
| Macroadenoma | 93 | 10.11 | 0.000* | |
| Microadenoma | 4 | 0.36 | ||
| Men | ||||
| Macroadenoma | 67 | 13.67 | 0.000* | |
| Microadenoma | 3 | 0.66 | ||
| Women | ||||
| Macroadenoma | 26 | 6.05 | 0.000* | |
| Microadenoma | 1 | 0.15 | ||
NA, not applicable; PRL, prolactin; GH, growth hormone; LH, luteinizing hormone; ACTH, adrenocorticotropic hormone; TSH, thyroid-stimulating hormone; FSH, follicle-stimulating hormone. PA, clinical pituitary apoplexy.
* Pearson's chi-squared test.