Table 3. Study characteristics accounting for heterogeneity of motor score subanalysis.

Motor Score		Effect Size % (95% CI)	Number of Animals	Number of Comparisons	Adjusted R2	p<
Pooled estimate		24.1 (20.1–28.1)	2,165	115
Anaesthetic	Halothane	15.5 (0.3–30.8)	147	6	16.3%	0.0007
	Ketamine	17.4 (0.6–34.2)	508	31
	Pentobarb	17.5 (1.1–33.9)	740	39
	Unknown	28.8 (10.8–46.8)	265	13
	Chloral Hydrate	33.0 (16.0–50.1)	417	21
	Isoflurane	59.2 (31.8–86.7)	47	3
Time of assessment	−1.7(−2.8 to −0.6) for each 1 week delay in assessment				11.0%	0.002
Immunosuppression	FK506	11.8 (−6.0–29.5)	80	6	10.42%	0.0064
	Cyclosporine A	16.5 (9.0–24.0)	675	40
	None	27.8 (23.1–32.4)	1,410	69
NBS	Multiple	14.0 (4.7–23.3)	473	22	5.0%	0.02
	BBB	25.1 (21.0–29.1)	1,692	93