Study of multiparameter respiratory pattern complexity in surgical critically ill patients during weaning trials

BMC Physiology

Table 1 Respiratory data of the whole study population

Variables	Successful group (S)	Unsuccessful group (U)	p value
	(n = 22)	(n = 10)
Minute ventilation (MV), L	12.33 (11.21-16.74)	12.95 (11.78-13.2)	NS
RR (respiratory rate) breaths/min	16 (15-18)	17 (15-19)	NS
HR (heart rate) beats/min	82 (77-86)	83 (82-90)	NS
Tidal volume (V_T ) ml	676.2 (543.4-742.2)	665 (583.4-834.8)	NS
pH	7.41 (7.37-7.46)	7.39 (7.37-7.44)	NS
PaCO₂ mmHg	41.23 (36.2-45.6)	42.65 (38.3-46.8)	NS_2aCOl
PaO₂ mmHg	132.3 (98.4-156.7)	131.84 (94.84-148.2)	NS
Male/female (Number)	17/5	8/2	<0.05
Age (years)	65.7 (58-72.3)	67.56 (56.2-74.45)	NS
APACHE II score	16.4 (13.23-19.34)	21.26 (18.76-24.7)	<0.05
Weight (Kg)	76.75 (64.3-82.54)	75.84 (63.2-87.2)	NS
Time of ventilatory support before
weaning trial (hours)	133.6 (112.5-157.3)	175.6 (142.6-214.2)	<0.05

Respiratory parameters, blood gases and demographic features of the whole study population (n = 32), according to weaning outcome, measured before weaning trials. Data are presented as median (10%-90% percentiles).

ISSN: 1472-6793