Table 5.

Diagnostic approach/medical investigations performed (N = 110)

Investigation	Percent of total
Complete WBC	82.7
Temperature	80.0
Glucose	70.0
ECG	61.8
Chest X-ray	49.1
pH-metry	48.2
EEG	35.8
Respiratory syncytial virus	23.6
Metabolic investigation	15.5
Polysomnography	4.5
Blood gas analysis	11.8
Cerebral spinal fluid analysis	2.7
Cardiologic (other than ECG)	2.0
Pertussis diagnostics	0.9