Non-invasive versus arterial pressure monitoring in the pre-hospital critical care environment: a paired comparison of concurrently recorded measurements

Table 2 Adjusted odds of paired blood pressure readings (NIBP vs. IBP techniques) showing acceptable agreement

	Variable	Odds ratio	95% CI	P-value
SBP	Age	1.00	0.99 to 1.01	0.432
	Haemodynamic shock	0.52	0.35 to 0.77	0.001
	Severe hypertension	0.17	0.11 to 0.27	< 0.001
	Medical	0.78	0.52 to 1.17	0.237
	Transport	0.89	0.64 to 1.22	0.468
	Femoral line	0.92	0.62 to 1.37	0.685
DBP	Age	0.99	0.98 to 1.00	0.005
	Haemodynamic shock	0.65	0.42 to 0.99	0.047
	Severe hypertension	0.83	0.58 to 1.18	0.301
	Medical	1.28	0.90 to 1.82	0.168
	Transport	0.77	0.57 to 1.03	0.080
	Femoral line	0.66	0.42 to 1.03	0.065
MAP	Age	1.00	0.99 to 1.00	0.330
	Haemodynamic shock	0.53	0.36 to 0.78	0.001
	Severe hypertension	0.82	0.60 to 1.12	0.218
	Medical	1.08	0.78 to 1.48	0.651
	Transport	0.88	0.69 to 1.13	0.324
	Femoral line	0.65	0.46 to 0.91	0.012

ISSN: 1757-7241