. 2022 Sep 2;12:13852. doi: 10.1038/s41598-022-18092-0

Table 4.

The first round of index system based on Delphi method.

Primary indicators	Secondary indicators	Tertiary indicators	$M_{j}$	$δ j$	Vj	Kj (%)	Cs	Ca	Cr
Methods of induction	High temperature solid	Electric scald instrument	7.80	1.80	0.23	7.80	0.790	0.873	0.832
		Hydrothermal flask	5.00	2.40	0.48	5.00	0.450	0.787	0.619
		Water bath hot steel bar	5.73	2.05	0.36	5.73	0.590	0.827	0.709
	High temperature liquid	Hot-water bath	7.33	1.62	0.22	7.33	0.770	0.900	0.835
		Water spray injury cup	5.13	2.36	0.46	5.13	0.490	0.780	0.635
		Water bath high temperature gauze	5.27	2.14	0.41	5.27	0.550	0.780	0.665
	Contact combustion	Skin application fuel	4.67	2.67	0.57	4.67	0.510	0.813	0.662
	Thermal radiation	Infrared heater	4.67	2.82	0.60	4.67	0.470	0.780	0.625
Burn sites	Back		9.07	1.34	0.15	9.07	0.920	0.927	0.924
	Abdomen		5.00	3.18	0.64	5.00	0.520	0.813	0.667
	Buttock		3.93	3.04	0.77	3.93	0.400	0.747	0.574
Induction temperature	Less than 80 °C		4.93	2.86	0.58	4.93	0.640	0.853	0.747
	Between 80 and 100 °C		8.40	1.25	0.15	8.40	0.770	0.940	0.856
	More than 200 °C		3.40	3.44	1.01	3.40	0.320	0.753	0.537
Anesthesia	General anesthesia	Pentobarbital sodium	7.67	2.89	0.38	7.67	0.850	0.913	0.882
		Chloral hydrate	6.20	2.76	0.45	6.20	0.670	0.840	0.755
		Ketamine	4.13	2.99	0.72	4.13	0.360	0.760	0.560
		Isoflurane	5.73	3.43	0.60	5.73	0.440	0.813	0.627
		Serazine	2.87	2.03	0.71	2.87	0.230	0.713	0.472
		Uratan	3.73	2.86	0.77	3.73	0.320	0.753	0.537
		Diethyl ether	5.40	3.09	0.57	5.40	0.510	0.847	0.679
	Local anesthesia	Lidocaine	3.87	3.56	0.92	3.87	0.450	0.767	0.609
	Local anesthesia	Bupivacaine	3.27	2.89	0.88	3.27	0.270	0.707	0.489
Skin preparation	Chemical method	Barium sulfide	4.67	2.98	0.64	4.67	0.390	0.787	0.589
	Chemical method	Sodium sulfide	6.80	3.23	0.47	6.80	0.750	0.873	0.812
	Physical method	Razor	4.73	3.84	0.81	4.73	0.490	0.780	0.635
	Physical method	Push shear	6.80	3.19	0.47	6.80	0.710	0.867	0.789
Housing post surgery	Rearing environment	Rearing temperature	8.13	2.78	0.34	8.13	0.810	0.920	0.865
		Rearing humidity	8.07	2.79	0.35	8.07	0.800	0.920	0.860
		Environmental ventilation	7.87	2.78	0.35	7.87	0.790	0.900	0.845
		Ambient light	7.20	3.06	0.42	7.20	0.730	0.907	0.819
		Rearing density	8.07	2.74	0.34	8.07	0.800	0.913	0.857
		Selection of bedding material	7.53	3.12	0.41	7.53	0.730	0.907	0.819
	Rearing food	Feed	6.73	3.45	0.51	6.73	0.730	0.900	0.815
	Rearing food	Drinking water	7.13	3.32	0.47	7.13	0.770	0.907	0.839
Intervention post surgery	Prevention of shock	Lactate Ringer's solution	6.87	3.40	0.50	6.87	0.710	0.880	0.795
		Hyperoxia compound sodium chloride	4.53	3.54	0.78	4.53	0.350	0.740	0.545
		Disinfection of animal living environment	7.07	3.47	0.49	7.07	0.750	0.880	0.815
	Prevention of infection	Vaccination	2.07	2.35	1.14	2.07	0.240	0.680	0.460
		Penicillin, generation I cephalosporin	5.00	3.69	0.74	5.00	0.600	0.807	0.704
		Analgin	3.40	3.28	0.97	3.40	0.440	0.727	0.584
	Analgesia	Lappaconitine	2.73	2.86	1.05	2.73	0.320	0.720	0.520
	Analgesia	Dexmedetomidine	2.80	2.97	1.06	2.80	0.310	0.707	0.509
Assessment criteria	Macroscopic results	Wound color	8.73	1.53	0.17	8.73	0.880	0.940	0.910
		Blister formation	7.67	2.57	0.34	7.67	0.800	0.900	0.850
		Eschar formation	8.53	1.63	0.19	8.53	0.880	0.927	0.904
	Microscopic results	Epidermis injury	7.53	3.05	0.41	7.53	0.870	0.940	0.905
		Dermal injury	8.13	2.31	0.28	8.13	0.840	0.927	0.884
		Subcutaneous injury	8.67	1.74	0.20	8.67	0.870	0.927	0.899
	Other comments	Success rate of model construction	8.47	1.54	0.18	8.47	0.830	0.927	0.879
		Model construction time consumption	7.33	2.36	0.32	7.33	0.840	0.920	0.880
		Model building resource consumption	6.87	2.70	0.39	6.87	0.760	0.880	0.820
		Mortality of rats	8.07	1.95	0.24	8.07	0.790	0.907	0.849
		Incidence of complications	7.93	2.24	0.28	7.93	0.750	0.893	0.822

$M_{j}$ , means; $δ j$ , standard deviation; Vj, coefficient of variation; Kj, full score frequency; Ca, judgment coefficient; Cs, familiarity coefficient; Cr, expert authority coefficient.