A Prognostic Model for the Respiratory Function of Patients with Nonsevere Pulmonary Infection Based on Breathing Exercises and Acupuncture Therapy: Development and Validation

Table 1

Comparison of baseline characteristics of patients.

Characteristics	Training set ()	Validation set ()	value
Age (years old)	54 (45, 65)	56 (45, 67)	0.684
Sex			0.938
Male (%)	174 (49.7)	74 (49.3)
Female (%)	176 (50.3)	76 (50.7)
Smoking history			0.342
Never (%)	113 (32.3)	42 (28.0)
Smoking (%)	237 (67.7)	108 (72.0)
PaO2^a	85 (81, 93)	88.5 (82, 95)	0.784
PaCO2^b	40 (38, 43)	40 (38, 43)	0.600
PH	7.39 (7.37, 7.42)	7.40 (7.37, 7.43)	0.476
Including a least one underlying disease (%)	90 (25.7)	43 (28.7)	0.254
Hypertension (%)	36 (10.3)	23 (15.3)
Diabetes (%)	34 (9.7)	25 (16.7)
Hyperlipoidemia (%)	22 (6.3)	19 (12.7)
COPD (%)	16 (4.6)	14 (9.3)
Treatment methods			0.520
Breathing exercises only (%)	171 (48.9)	78 (52.0)
Breathing exercises combined with acupuncture therapy (%)	179 (51.1)	72 (48.0)

Note: a: partial pressure of oxygen; b: partial pressure of carbon dioxide.