Application of a New Type of Protective Sputum Suction Device in Clinic against Cross-Infection between Medical Staff and Patients

Table 2

Comparison of vital signs before and after OS and CS.

	Technique	Before suction	After suction	value
Heart rate	OS	74.3 ± 12.4	102.8 ± 12.2	0.001
	CS	77.3 ± 12.9	103.3 ± 10.5	0.001
	value	0.269	0.828
Respiration rate	OS	19.8 ± 4.6	27.6 ± 5.2	0.001
	CS	20.7 ± 5.4	25.8 ± 5.2	0.001
	value	0.472	0.162
Mean arterial pressure	OS	93.7 ± 15.9	98.5 ± 15.8	0.273
	CS	97.2 ± 14.7	92.6 ± 14.8	0.241
	value	0.416	0.166
Oxygen saturation (SaO2)	OS	95.8 ± 2.4	91.0 ± 3.8	0.001
	CS	95.2 ± 3.3	96.4 ± 2.5	0.149
	value	0.320	0.001

: there is a significant difference compared with before suction group; CS, closed suction; OS, open suction.