The reliability and accuracy of operational system data in a nationwide helicopter emergency medical services mission database

Table 3 Inter-rater reliability of Vital parameters in the FinnHEMS database

Parameter^a	Per cent agreement, %	Free-marg. K [CI 95%]
1. measurement^b 2. measurement^c
Cardiac rhythm	61	0.23 [− 0.11, 0.56]
Cardiac rhythm	76	0.51 [0.17, 0.86]
Heart rate	60	0.19 [0.02, 0.37]
Heart rate	82	0.64 [0.34, 0.94]
Blood pressure	69	0.38 [0.04, 0.73]
Blood pressure	77	0.54 [0.17, 0.91]
Respiration rate	65	0.30 [−0.11, 0.70]
Respiration rate	72	0.43 [0.01, 0.86]
Blood oxygen saturation (SpO₂)	68	0.36 [0.03, 0.69]
Blood oxygen saturation (SpO₂)	91	0.82 [0.72, 0.92]
Expiration carbon dioxide (etCO₂)	62	0.24 [0.07, 0.42]
Expiration carbon dioxide (etCO₂)	76	0.52 [0.22, 0.82]
Pain	73	0.46 [0.31, 0.60]
Pain	73	0.46 [0.17, 0.75]
GCS^d	66	0.49 [0.16, 0.82]

^aVital parameter, registered in the FinnHEMS database by a participating physician or paramedic responsible for patient treatment at a HEMS mission and were based on the documents provided (Additional file 1)
^bWhen patient was met
^cAfter treatment
^dGCS is documented only once

ISSN: 1471-227X