Design of a Clinical Decision Support System for Fracture Prediction Using Imbalanced Dataset

Table 5

Association between prescribed oral or intravenous corticosteroid and fracture.

	Fracture		value
	No ()	Yes ()
Medication (oral or intravenous corticosteroids)	10511 (90.3%)	1134 (9.7%)
Cumulative dose (mg)			<0.001
Mean ± SD	1345.77 ± 2831.30	2355.86 ± 4049.43
Median	390	810
Mean follow-up daily dose (mg/d) (cumulative dose/follow-up duration)			0.979
Mean ± SD	59.74 ± 218.39	59.56 ± 285.58
Median	4.54	3.275
Mean exposed daily dose (mg/d)			0.001
(Cumulative dose/cumulative exposed duration)
Mean ± SD	67.65 ± 235.62	94.04 ± 314.98
Median	13.45	15
Duration (day), median (range)
Follow-up duration	706.77 ± 907.35	999.65 ± 997.09	<0.001
Median	240	731.0
Exposed duration	90.11 ± 194.80	154.04 ± 320.91	<0.001
Median	28	38.5