. Author manuscript; available in PMC: 2012 Mar 1.

Published in final edited form as: J Clin Epidemiol. 2010 Aug 16;64(3):320–330. doi: 10.1016/j.jclinepi.2010.02.019

Table 3.

Comparison of R² of models predicting discharge functional status (FS) using different methods for scoring the FCI

Group	N	Additive FCI	Weighted FCI	18 separate comorbid conditions
Cervical	5,563	.0416	.0481	.0484
Shoulder	8,545	.0336	.0347	.0347
Elbow	1,642	.0232	.0499	.0499
Wrist/hand	2,372	.0312	.0458	.0458
Lumbar	11,109	.0638	.0720	.0720
Hip	3,112	.0941	.1160	.1160
Knee	7,559	.0682	.0818	.0818
Foot/ankle	4,203	.0583	.0685	.0685
Neurological	820	.0599	.1400	.1400