Table 7.

Descriptive statistical results of variables

Name	Median	Mean	Standard deviation	Median	IQR□	Kurtosis□	Skewness□
Eff	856	0.264	0.11	0.255	0.145	4.832	1.192
Govs	856	0.637	0.139	0.648	0.156	2.303	-0.708
Ncfn	856	0.431	0.052	0.427	0.005	38.715	1.333
Stb	856	0.043	0.109	0.005	0.025	21.752	4.281
Nci	856	0.032	0.129	0.001	0.005	29.491	5.27
Unpro	856	0.34	0.094	0.316	0.023	26.105	4.18
Tote	856	0.067	0.146	0.02	0.04	17.689	4.047
Roc	856	0.498	0.044	0.494	0.033	41.497	-0.616
Ocdd	856	0.008	0.034	0.006	0	816.41	28.264
Opgrt	856	0.023	0.035	0.021	0.005	736.83	26.284
Tgrt	856	0.02	0.036	0.017	0.005	679.27	24.857
Cats	856	0.681	0.06	0.682	0.02	61.862	-6.121
Dbt	856	0.205	0.117	0.209	0.175	2.223	0.627
Fat	856	0.212	0.197	0.153	0.228	2.035	1.457
Inta	856	0.064	0.09	0.042	0.062	46.383	5.664
Fcu	856	0.33	0.238	0.247	0.312	0.221	0.793
Cpi	856	0.336	0.268	0.227	0.308	0.895	1.332
Sii	856	0.655	0.283	0.736	0.419	-0.339	-0.879
Ssf	856	0.466	0.304	0.651	0.514	-1.345	0.063
Yeb	856	0.409	0.331	0.443	0.651	-1.293	0.321
Rcfr	856	0.666	0.296	0.775	0.119	0.36	-1.351

the original data are normalized and are in the interval of [0,1]