Table 2.

Results of regression model fitting.

Influencing Factors	B	S.E.	Waild	Sig.	Exp (B)
Sex (1)	1.172	2.186	0.288	0.592	3.228
Age	−4.084	2.919	1.958	0.162	0.017
Root maturation (1)	5.588	4.915	1.293	0.256	3.326
Cave shape (1)	−0.536	2.325	0.053	0.818	0.585
Spontaneous pain (1)	−4.958	1.956	0.000	0.999	0.000
Nocturnal pain (1)	−2.260	1.837	1.515	0.218	0.104
Referred pain (1)	−0.891	2.515	0.125	0.723	0.410
Cold test	2.134	2.972	0.516	0.473	3.446
Pain level of cold test	2.020	2.253	0.804	0.370	3.540
Heat test	0.411	0.659	0.389	0.533	1.508
Pain level of heat test	9.817	1.036	0.000	0.999	4.826
Electrical vitality test difference	3.205	1.886	0.000	0.998	1.121
Percussion sensitivity (1)	−6.208	1.714	2.794	0.095	0.002
VPT type			1.980	0.372
VPT type (1)	−2.097	2.793	0.564	0.453	0.123
VPT type (2)	0.797	2.382	0.112	0.738	2.219