Table 2.
Respondents Main Subspecialty Interests
| Subspecialty | High-Income Economies (n = 431), n (%) (95% CI) | Upper-Middle-Income Economies (n = 228), n (%) (95% CI) | Lower-Middle-Income Economies (n = 255), n (%) (95% CI) | Low-Income Economies (n = 39), n (%) (95% CI) | Total (n = 953), n (%) (95% CI) | P Value |
|---|---|---|---|---|---|---|
| Cerebrovascular surgery | 132 (30.6) (26.5–35.1) | 99 (43.4) (37.2–49.9) | 111 (43.5) (37.6–49.7) | 16 (41) (27.1–56.6) | 358 (37.6) (34.6–40.7) | 0.001 |
| Functional neurosurgery | 69 (16) (12.9–19.8) | 37 (16.2) (12–21.6) | 51 (20.0) (15.6–25.3) | 5 (12.8) (5.6–26.7) | 162 (17) (14.8–19.5) | 0.424 |
| Neuroendoscopy | 76 (17.6) (14.3–21.5) | 69 (30.3) (24.7–36.5) | 84 (32.9) (27.5–38.9) | 8 (20.5) (10.8–35.5) | 237 (24.9) (22.2–27.7) | <0.001 |
| Neuro-oncology | 196 (45.5) (40.8–50.2) | 104 (36.5) (24.7–36.5) | 93 (36.5) (30.8–42.5) | 10 (25.6) (14.6–41.1) | 403 (42.3) (39.2–45.5) | 0.004 |
| Neurotrauma | 133 (30.9) (26.7–35.4) | 102 (44.7) (38.4–51.2) | 100 (39.2) (33.4–45.3) | 15 (38.5) (24.9–54.1) | 350 (36.7) (33.7–39.8) | 0.018 |
| Pediatric neurosurgery | 80 (18.6) (15.2–22.5) | 59 (25.9) (20.6–31.9) | 61 (23.9) (19.1–29.5) | 10 (25.6) (14.6–41.1) | 210 (22) (19.5–24.8) | 0.058 |
| Skull base surgery | 127 (29.5) (25.4–33.9) | 78 (34.2) (28.4–40.6) | 96 (37.7) (31.9–43.7) | 16 (41) (27.1–56.6) | 317 (33.3) (30.3–36.3) | 0.013 |
| Spinal surgery | 167 (38.8) (34.3–43.4) | 110 (48.3) (41.9–54.7) | 119 (46.7) (40.6–52.8) | 16 (41) (27.1–56.6) | 412 (43.2) (40.1–46.4) | 0.065 |
| Other | 19 (4.4) (2.8–6.8) | 7 (3.1) (1.5–6.2) | 9 (3.5) (1.9–6.6) | 1 (2.6) (0.5–13.2) | 36 (3.8) (2.7–5.2) | 0.417 |
Young neurosurgery responses on main subspecialty interests by World Bank income classification (n = 953).
CI, confidence interval.