Comparison of hospital charge prediction models for gastric cancer patients: neural network vs. decision tree models

Table 1 Results of univariate analyses on the total charge

variables		t/F	variables		t/F
Sex:			Insurance:
men	11957.63 ± 8733.77	1.839	private	13696.08 ± 10388.73	1.606
women	13066.63 ± 10277.53		public	12372.86 ± 9520.96
Marriage:			Dwelling:
no	12473.81 ± 9708.01	6.164*	county	13361.71 ± 10629.09
yes	19806.29 ± 5137.35		Suburban	11384.77 ± 9114.22	7.778*
Operation:			urban	14022.70 ± 9665.03
Without	3292.30 ± 2137.66	54.460*
With	19666.21 ± 6765.87		Operation type:
Non-chemotherapy	14268.60 ± 10227.06	7.798*	SG	19526.35 ± 6246.40
Chemotherapy	9759.44 ± 7930.49		TG	19954.17 ± 5404.27
Non-radiotherapy	12693.31 ± 9688.01	32.181*	GEL	22856.43 ± 2105.23	237.529*
Radiotherapy	2833.26 ± 11.823		PO	13302.72 ± 2483.79
			others	20703.42 ± 12433.20

Abbr: SG: subtotal gastrectomy; TG: total gastrectomy; GEL: gastrectomy with extended lymphadenectomy; PO: palliviate operation.
*: P < 0.05

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