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Table 4 Time and cost-analysis of digital surgery comparing between two group patients

From: Digital surgery group versus traditional experience group in head and neck reconstruction: a retrospective controlled study to analyze clinical value and time-economic-social effect

Variable

Unit

Digital surgery-assisted (mean)

Conventional (mean)

P-value

Total cost of hospitalization

CNY

88,315

67,599

<0.05

Operation cost

CNY

14,784

10,380

<0.05

Material cost

CNY

31,010

12,819

<0.05

Total operation time

Min

458

532

<0.05

Molding time of supply area

Min

34.6

42.5

0.01

Shaping time of receiving area

Min

17.1

18.7

0.35

Cutting or molding time

Min

12.5

15.0

0.02

Reconstruction time

Min

29.4

33.9

0.01

Vascular anastomosis time

Min

47.1

49.2

0.50

Total days in hospital

Days

19.6

18.1

0.27

ICU days

Days

1.36

2.55

<0.05

Intravenous nutrition support

Days

7.28

10.1

0.04

Satisfaction score of doctor-patient relationship

Score

3.48

2.88

0.02