Table 3.

Association with other antiretroviral drugs treatment duration and exposure duration of stavudine in total patients (n=2072)

	Exposed duration of stavudine (months)
	Median (IQR)	Spearman’s ρ	p-value
Time on zidovudine treatment		−0.43	<0.001
Never received	23.6 (5.9–44.0)
≤ 1.8 days	14.6 (0–34.3)
> 1.8 days	0 (0–13.7))
Time on didanosine treatment		0.14	<0.001
Never received	10.0 (0–31.3)
≤ 1.9 years	13.7 (4.1–30.1)
> 1.9 years	25.4 (0–44.9)
Time on NNRTI treatment		0.31	<0.001
Never received	0 (0–18.6)
≤ 2.9 years	9.4 (0–22.8)
> 2.9 years	28.8 (0–47.4)
Time on PI treatment (days)		−0.06	0.006
Never received	13.1 (0–33.9)
≤ 2.6 years	12.2 (0–24.3)
> 2.6 years	10.4 (0–35.1)

Abbreviations used: NNRTI, non-nucleoside reverse transcriptase inhibitor; PI, protease inhibitor.