Guidance Value of Procalcitonin Detection in Selecting Switching Points for Sequential Therapy in Patients with Acute Exacerbation of Chronic Obstructive Pulmonary Disease Complicated by Respiratory Failure

Figures & data

Table 1 Comparison of Hemodynamic Indexes and Blood Gas Indexes After 1 Day of Treatment Between the Two Groups (n=80)

Group	Respiratory Rate (Times/Min)	Heart Rate (Beats/Min)	Arterial Systolic Pressure (mmHg)	Arterial Partial Pressure of Oxygen (mmHg)	Arterial Carbon Dioxide Partial Pressure (mmHg)	pH
Control group	21.23±3.87	97.89±10.37	124.35±18.42	88.42±12.48	43.23±6.62	7.24±0.03
Observation group	20.86±3.91	98.06±10.41	125.32±18.39	87.86±12.36	42.89±6.55	7.25±0.03
t-value	1.024	0.895	1.336	1.537	1.217	0.216
P-value	0. 974	0.213	0.079	0.068	0.831	0.895

Table 2 Comparison of Duration of Different Treatment Phases Between the Two Groups (n=80)

Group	Duration of Invasive Mechanical Ventilation (d)	Duration of Non-Invasive Mechanical Ventilation (d)	Total Mechanical Ventilation Time (d)	ICU Treatment Time (d)
Control group	13.35±3.37	12.63±2.32	21.52±5.73	26.15±5.94
Observation group	7.59±2.45	6.78±1.97	16.73±4.42	18.28±4.53
t-value	15.703	21.359	8.603	7.634
P-value	<0.001	<0.001	<0.001	<0.001

Table 3 Comparison of Complication Rates Related to Mechanical Ventilation During Treatment in the Two Groups (n=80)

Group	Ventilator-Associated Pneumonia	Airway Blockage	Pulmonary Air Pressure Injury	Pulmonary Atelectasis	Inadequate Ventilation	Complication Rate
Control group	5	4	3	2	3	17 (21.25)
Observation group	2	2	1	2	4	11 (13.75)
χ2Value						6.493
P-value						<0.001

Table 4 Comparison of the Mortality of Patients in the Two Groups (n=80)

Group	Number of Deaths	Mortality
Control group	5	6.25
Observation group	4	5.00
X–value^2		1.205
P-value		0.894