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Table 2: Factors associated with a low HIR in multivariable analysis
Characteristics Adjusted OR (95% CI) P Value
Male 0.98 (0.42–2.29) .953
Serum glucose, per 1-mmol/L increase^{^a} 0.99 (0.83–1.18) .882
Baseline NIHSS score, per 1-point increase^{^b} 1.04 (0.96–1.12) .343
DWI₁ volume, per 1-mL increase 1.01 (0.99–1.03) .446
Tmax >10-sec volume, per 1-mL increase^{^c} 0.89 (0.85–0.92) <.001
PWI-DWI mismatch 8.95 (2.65–30.22) <.001
FVH-score – .002^{^d}
    0–1 1 –
    2–3 1.17 (0.25–5.50) .844
    4–5 2.39 (0.56–10.22) .242
    6–7 34.20 (4.35–268.60) .001
↵a Missing data for 13 patients.
↵b Missing data for 4 patients.
↵c Tmax >6 sec was not selected with Tmax >10 sec to avoid collinearity.
↵d P for Trend.

Characteristics	Adjusted OR (95% CI)	P Value
Male	0.98 (0.42–2.29)	.953
Serum glucose, per 1-mmol/L increase^{^a}	0.99 (0.83–1.18)	.882
Baseline NIHSS score, per 1-point increase^{^b}	1.04 (0.96–1.12)	.343
DWI₁ volume, per 1-mL increase	1.01 (0.99–1.03)	.446
Tmax >10-sec volume, per 1-mL increase^{^c}	0.89 (0.85–0.92)	<.001
PWI-DWI mismatch	8.95 (2.65–30.22)	<.001
FVH-score	–	.002^{^d}
0–1	1	–
2–3	1.17 (0.25–5.50)	.844
4–5	2.39 (0.56–10.22)	.242
6–7	34.20 (4.35–268.60)	.001