Derivation and validation of a nomogram for predicting nonventilator hospital-acquired pneumonia among older hospitalized patients

Table 2 Logistic analysis of each factor's ability in predicting the risk of NV-HAP

Intercept and variable	Prediction model
Intercept and variable	β	Odds ratio (95%CI)	P-value
Intercept	-7.617	0(0.000–0.001)	< 0.001
Charlson comorbidity index (point)	0.194	1.214(1.104–1.332)	< 0.001
NRS-2002	0.316	1.372(1.209–1.553)	< 0.001
Enteral tube feeding
No	Reference
Yes	0.735	2.085(1.369–3.136)	< 0.001
Barthel Index
Independent	Reference
Slight dependency	0.371	1.449(0.826–2.44)	0.177
Moderate dependency	0.816	2.261(1.285–3.835)	0.003
Severe dependency	1.588	4.894(2.937–8.028)	< 0.001
Total dependency	1.552	4.72(2.639–8.327)	< 0.001
Use of sedatives
No	Reference
Yes	0.546	1.727(1.145–2.555)	0.008
Use of NSAIDs
No	Reference
Yes	0.837	2.309(1.558–3.37)	< 0.001
Use of inhaled steroids
No	Reference
Yes	0.701	2.015(1.31–3.028)	0.001
Time at risk(days)
≤ 6	Reference
7–11	0.976	2.655(1.714–4.131)	< 0.001
≥ 12	1.570	4.808(3.087–7.555)	< 0.001

NV-HAP non-ventilator-associated hospital-acquired pneumonia; NRS nutritional risk screening; NSAIDs non-steroidal anti-inflammatory drugs; CI confidence interval

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