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Table 1 Baseline characteristics

From: Impact of second forward-view examination on adenoma detection rate during unsedated colonoscopy: a randomized controlled trial

Parameter

TC group

(nā€‰=ā€‰195)

SFE group

(nā€‰=ā€‰197)

P value

Age (year)

46.1ā€‰Ā±ā€‰13.2

47.7ā€‰Ā±ā€‰12.6

0.639

Sex (male/female)

106/89

107/90

0.398

Weight (kg)

62.6ā€‰Ā±ā€‰11.4

63.3ā€‰Ā±ā€‰11.8

0.337

Height (cm)

165.2ā€‰Ā±ā€‰8.0

164.7ā€‰Ā±ā€‰7.5

0.494

BMI (kg/m2)

22.9ā€‰Ā±ā€‰3.1

23.2ā€‰Ā±ā€‰3.5

0.450

Indication

Ā Ā 

0.416

Ā Screening, n (%)

157(80.5)

152(77.2)

Ā 

Ā Surveillance, n (%)

38(19.5)

45(22.8)

Ā 

Family history of CRC, n (%)

9(4.6)

13(6.6)

0.394

Previous colonoscopy, n (%)

50(25.6)

64(32.5)

0.136

Diabetes, n (%)

9(4.6)

10(5.1)

0.832

Hypertension, n (%)

25(12.8)

32(16.2)

0.336

Smoking, n (%)

50(25.6)

51(25.9)

0.955

Alcohol, n (%)

53(27.2)

52(26.4)

0.814

Intubation time (min)

6.5ā€‰Ā±ā€‰4.1

6.8ā€‰Ā±ā€‰3.9

0.613

Withdrawal time (min)

6.5ā€‰Ā±ā€‰1.3

6.5ā€‰Ā±ā€‰1.9

0.100

Second examination time (min)

ND

1.4ā€‰Ā±ā€‰0.6

ND

Total duration of colonoscopy (min)

13.0ā€‰Ā±ā€‰4.0

14.7ā€‰Ā±ā€‰4.8

0.208

Quality of bowel preparation, n

Ā Ā 

0.884

BBPS 6

40

39

Ā 

BBPS 7

54

52

Ā 

BBPS 8

65

72

Ā 

BBPS 9

36

34

Ā 
  1. Data are expressed as the meanā€‰Ā±ā€‰standard deviation (SD), or percentage
  2. BMI body mass index, BBPS Boston Bowel Preparation Scale score, ND no data, TC group traditional colonoscopy, SFE group second forward-view examination group