Table II.

Descriptive statistics for international normalised ratio in examined patients, according to study group and time of measurement

Group	Time of measurement	Statistical parameter					Statistical significance of difference
		M	Me	SD	95% CI	Min.–max.
I	Before surgery	1.11	1.11	0.07	1.09–1.13	0.95–1.25	p < 0.001
	6 h after surgery	1.14	1.14	0.06	1.12–1.16	1.05–1.37
	48 h after surgery	1.15	1.13	0.08	1.12–1.17	1.02–1.42
II	Before surgery	1.08	1.08	0.06	1.06–1.09	0.95–1.21	p < 0.001
	6 h after surgery	1.12	1.12	0.05	1.10–1.14	0.98–1.24
	48 h after surgery	1.10	1.11	0.06	1.09–1.12	0.96–1.24
III	Before diagnostics	1.13	1.09	0.17	1.08–1.18	1.00–1.84	p = 0.027
	24 h after diagnostics	1.15	–	0.17	1.09–1.20	1.03–1.90

International normalized ratio (INR) displayed as a coefficient (no unit of measurement). Study group sizes: See Table I. Statistical parameters: See Table I.