Table 1 Gender ratios at indication evaluations, approval for deep brain stimulation and surgical procedures in the cross-sectional cohort.

From: Gender gap in deep brain stimulation for Parkinson’s disease

Steps to DBS surgery

Women

Men

Total

P

Relative risk [95% CI]

Referred for DBS indication evaluation

102

214

316

0.002c

0.72 [0.56; 0.91]

Positive indication evaluation

82 (80.4%)a

147 (68.7%)a

229 (72.5%)a

0.029d

1.17 [1.03; 1.34]

DBS surgery

63 (76.8%)b

127 (86.4%)b

190 (83.0%)b

0.065e

0.89 [0.78; 1.02]

  1. Significant results are highlighted in bold font. The total relative risk of DBS treatment for women with Parkinson’s disease compared to men was 0.73 (95% CI, 0.48; 1.12).
  2. CI confidence interval, DBS deep brain stimulation.
  3. aPercentage of patients referred for DBS indication evaluation.
  4. bPercentage of patients with positive indication evaluation.
  5. cBinomial test comparison of gender ratios of prevalence data and patients referred for DBS indication evaluation.
  6. dChi² test for gender ratio in patients with positive indication evaluation compared to patients referred for DBS indication evaluation.
  7. eChi² test for gender ratio in DBS surgery compared to positive indication evaluation.
Back to article page