Table 2.

Logistic regressions implemented to estimate the effect of the age on the probability of developing of PHN stratified by sex and by PHN definition.

	OR (95% CI)*
	PHN1		PHN3
	Male	Female	Male	Female
Age
50–59	1	1	1	1
60–69	1.49 (1.37–1.63)	1.60 (1.50–1.70)	1.50 (1.35–1.66)	1.58 (1.47–1.69)
70–79	2.31 (2.13–2.52)	2.28 (2.14–2.42)	2.31 (2.09–2.55)	2.21 (2.07–2.37)
≥ 80	2.50 (2.27–2.74)	2.43 (2.28–2.59)	2.67 (2.39–2.98)	2.44 (2.27–2.62)

^*OR: Odds ratio; 95% CI: 95% confidence interval