Table 4 Comparison of blood pressure difference before and after examination (\({\overline{\text{x}}}\) ± S).

From: A preliminary study of further attempt at the development, testing and application of an auxiliary equipment for electronic colonoscopy

Group

Number

Systolic pressure difference (mmHg)

Diastolic pressure difference (mmHg)

Experimental group

75

16.51 ± 11.28

10.68 ± 13.56

Control group

75

20.48 ± 15.17

9.19 ± 8.91

t

 

− 1.82

0.80

P

 

0.07

0.43

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