TABLE 5.

Summary statistics for PE%^a and |PE%|

Data set and variable	Mean (SD)	Minimum	25th percentile	Median	75th percentile	Maximum
Developmentb
PE%	−1.59 (40.8)	−272.85	−22.4	−1.23	20.41	99.66
|PE%|	29.39 (28.4)	0.01	10.4	21.12	40.21	272.85
Validationc
PE%a	−8.87 (45.5)	−229.95	−28.6	−3.76	17.77	97.73
|PE%|	32.45 (33)	0.19	10.64	22.09	42.84	229.95

^aPE% = (population predicted concentration − observed concentration)· 100/population predicted concentration.

^b1,529 samples.

^c379 samples.