Can the prediction model using regression with optimal scale improve the power to predict the Parkinson's dementia?

Table 8 Optimal classification scores: odds ratios and 95% confidence interval

Optimal classification scores	B	SE	Wald	P value	OR (95%CI)
K-MMSE 25+ (Ref)			69.856	< 0.01
23-24	1.499	0.473	10.035	0.002	4.478 (1.77-11.32)
21-22	2.731	0.494	30.522	< 0.01	15.345 (5.82-40.43)
19-20	2.587	0.549	22.195	< 0.01	13.294 (4.53-39.00)
15-18	3.111	0.505	37.937	< 0.01	22.441 (8.33-60.39)
3-14	4.008	0.799	25.185	< 0.01	55.020 (11.50-263.19)
H&Y staging 1.0-2.5 (Ref)
3.0-5.0	1.110	0.350	10.079	0.001	3.035 (1.52-6.02)

K-MMSE: Korean version of mini mental state examination; H&Y staging: Hoehn and Yahr staging.