Clinical efficacy of argon plasma coagulation combined with cryotherapy for central airway stenosis caused by lung cancer

Table 3 Comparison of arterial blood-gas parameters

Group	Time	PaO₂ (mmHg)	PaCO₂ (mmHg)	SaO₂ (%)
Control group	Before treatment	54.36 ± 4.63	43.46 ± 3.37	82.46 ± 5.73
	After treatment	64.23 ± 4.62^*	39.24 ± 3.12^*	91.36 ± 8.64^*
Observation group	Before treatment	56.37 ± 5.13	44.51 ± 4.42	83.72 ± 5.48
	After treatment	73.29 ± 6.27^*#	34.26 ± 3.17^*#	97.34 ± 9.24^*#

Compared with the control group, ^#P < 0.05; compared with before treatment, ^*P < 0.05

ISSN: 1749-8090