Table 3

Overlap between laboratory distributions of best and worst outcome patients with the local reference range

	Creatinine		Haemoglobin		Lactate		Sodium
	OVL	SMD	OVL	SMD	OVL	SMD	OVL	SMD
MIMIC	0.65	−0.53	0.85	0.35	0.65	−0.65	0.76	−0.31
eICU-CRD	0.62	−0.48	0.74	0.61	0.57	−1.03	0.77	−0.35
PLAGH-ICUdb	0.48	−0.92	0.67	0.8	Not available*	Not available*	0.75	−0.09
AUMCdb	0.61	−0.48	0.81	0.42	0.47	−1.01	0.67	−0.74
UCIHJ23db	0.67	−0.46	0.86	0.32	0.57	−0.73	0.75	−0.31
Mean	0.61	−0.57	0.79	0.50	0.45	−0.68	0.74	−0.36

*Data not recorded in PLAGH-ICUdb.
OVL, overlapping coefficient; SMD, standardised mean difference.