Table 3. The association between aPTT and clot waveform analysis parameters and acute venous thromboembolism.

	Unadjusted			Adjusted*
Parameters	OR	95% CI	P	OR	95% CI	P
aPTT ratio ≤ 0.9	1.79	0.76 – 4.20	0.182	2.03	0.83 – 4.95	0.119
Min1 > 6.87%/s	8.00	3.59 – 17.83	< 0.001	8.37	3.63 – 19.26	< 0.001
Min2 > 1.05%/s2	5.24	2.48 – 11.07	< 0.001	5.93	2.68 – 13.11	< 0.001
Max2 > 0.91%/s2	4.75	2.15 – 10.48	< 0.001	4.99	2.20 – 11.34	< 0.001
Delta change > 71.63%	18.55	6.36 – 54.15	< 0.001	19.09	6.31 – 57.69	< 0.001
OR – odds ratio. CI – confidence interval. *Adjusted for age, gender and ethnicity. P < 0.05 was considered statistically significant.