TABLE 2.
Demographic and clinical predictors of undergoing surgical treatment for nonmalignant intracranial meningioma in 12,053*
| Variable | Surgical Treatment (partial or total) |
Observation (biopsy or no surgery) |
OR for Resection (95% CI) |
|---|---|---|---|
| age category | |||
| less than 20 | <1% (34) | <1% (21) | 10.5 (6.1–18.1) |
| 20–39 | 11% (614) | 5% (305) | 12.5 (10.4–14.9) |
| 40–59 | 48% (2579) | 28% (1841) | 9.3 (8.1–10.7) |
| 60–79 | 35% (1901) | 40% (2660) | 5.0 (4.3–5.7) |
| ≥80 | 5% (245) | 28% (1853) | reference |
| sex | |||
| male | 50% (1526) | 50% (1497) | 1.4 (1.3–1.5) |
| female | 43% (3847) | 58% (5251) | reference |
| race | |||
| white | 45% (4302) | 55% (5299) | reference |
| black | 38% (509) | 62% (815) | 0.8 (0.7–0.9) |
| other | 47% (562) | 53% (634) | 1.1 (1.0–1.2) |
| marital status | |||
| single | 50% (947) | 50% (939) | reference |
| married | 51% (3274) | 49% (3174) | 1.0 (0.9–1.1) |
| divorced/widowed/separated | 30% (953) | 70% (2235) | 0.4 (0.4–0.5) |
| unknown | 33% (199) | 67% (400) | 0.6 (0.5–0.7) |
| year of diagnosis | |||
| 2004 | 46% (1287) | 54% (1537) | 1.3 (1.2–1.4) |
| 2005 | 47% (1442) | 53% (1623) | 1.4 (1.2–1.5) |
| 2006 | 45% (1415) | 55% (1721) | 1.3 (1.1–1.4) |
| 2007 | 40% (1229) | 60% (1867) | reference |
| size of tumor (quartile) | |||
| <17 mm | 6% (322) | 30% (1976) | reference |
| 18–27 mm | 12% (660) | 22% (1443) | 2.4 (2.1–2.8) |
| 28–41 mm | 22% (1173) | 14% (940) | 6.4 (5.6–7.4) |
| ≥42 mm | 28% (1531) | 9% (598) | 11.8 (10.3–13.6) |
| unknown | 31% (1687) | 26% (1723) | 5.3 (4.7–6.0) |
| side of tumor | |||
| midline | 38% (438) | 62% (719) | reference |
| left | 45% (2348) | 55% (2891) | 1.1 (0.9–1.3) |
| right | 45% (2389) | 45% (2934) | 1.4 (1.0–1.3) |
| bilateral | 57% (157) | 43% (117) | 1.8 (1.4–2.3) |
| unknown | 35% (41) | 65% (77) | 0.8 (0.6–1.2) |
| radiation treatment | |||
| any radiation | 6% (313) | 11% (767) | 0.5 (0.4–0.6) |
| no radiation | 94% (5025) | 88% (5954) | reference |
| unknown | <1% (35) | <1% (27) | 1.5 (0.9–2.5) |
*
Two hundred thirty-one patients with unknown surgical treatment information were not included. Bolded values indicate statistical significance (p < 0.05). Reference = reference group used to calculate the odds ratio.