Table III.

Descriptive statistics for activated partial thromboplastin time 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	1.01	1.00	0.12	0.97–1.04	0.80–1.30	p = 0.027
	6 h after surgery	0.99	1.00	0.13	0.95–1.03	0.80–1.30
	48 h after surgery	1.02	1.00	0.13	0.98–1.06	0.80–1.30
II	Before surgery	1.02	1.00	0.13	0.98–1.06	0.80–1.40	p = 0.331
	6 h after surgery	1.01	1.00	0.12	0.97–1.04	0.80–1.40
	48 h after surgery	1.02	1.00	0.11	0.99–1.06	0.80–1.30
III	Before diagnostics	0.99	0.00	0.14	0.95–1.04	0.80–1.50	p = 0.031
	24 h after diagnostics	1.01	1.00	0.14	0.96–1.06	0.80–1.30
	–	–	–	–	–	–

Activated partial thromboplastin time, APTT expressed in seconds (s). Study group sizes: See Table I. Statistical parameters: See Table I.