Table 2.

SMR for the PD group in relation to that for the state of Queensland and Australia

Sex	Queensland SMR (95% CI)	p	Australia SMR (95% CI)	p
Overall
Female	2.84 (2.47–3.22)	0.001†	2.87 (2.49–3.25)	0.001†
Male	2.41 (2.17–2.64)	0.001†	2.47 (2.23–2.72)	0.001†
Total	2.70 (2.49–2.91)	0.001†	2.75 (2.53–2.96)	0.001†
Age of onset < 60 years
Female	3.91 (3.13–4.69)	0.001†	3.97 (3.18–4.77)	0.001†
Male	2.90 (2.45–3.43)	0.001†	2.98 (2.52–3.43)	0.001†
Total	3.47 (3.05–3.90)	0.001†	3.47 (3.05–3.90)	0.001†
Age of onset ≥ 60 years
Female	2.36 (1.95–2.77)	0.001†	2.37 (1.96–2.79)	0.001†
Male	2.17 (1.89–2.44)	0.001†	2.23 (1.95–2.51)	0.001†
Total	2.36 (2.12–2.60)	0.001†	2.40 (2.15–2.64)	0.001†

^†p < 0.01.

SMR: standardized mortality ratio, PD: Parkinson’s disease, CI: confidence interval.