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Table 3 Adverse events of bowel preparation

From: 3 L split-dose polyethylene glycol is superior to 2 L polyethylene glycol in colonoscopic bowel preparation in relatively high-BMI (≥ 24 kg/m2) individuals: a multicenter randomized controlled trial

 

3 L split-dose group (n = 318)

2 L group (n = 321)

P value*

Dizzy, n (%)

27 (8.5)

29 (9.0)

0.876

    Mild

27 (100)

27 (93.1)

 

    Moderate

0

2 (6.9)

 

    Severe

0

0

 

Nausea, n (%)

98 (30.8)

62 (19.3)

0.001

Mild

78 (79.6)

56 (90.3)

 

    Moderate

16 (16.3)

6 (9.7)

 

    Severe

4 (4.1)

0

 

Vomiting, n (%)

47 (14.8)

39 (12.1)

0.330

    Mild

38 (80.9)

33 (84.6)

 

    Moderate

6 (12.8)

5 (12.8)

 

    Severe

3 (6.4)

1(2.6)

 

Abdominal pain, n (%)

52 (16.4)

37 (11.5)

0.078

    Mild

48 (92.3)

33 (89.2)

 

    Moderate

2 (3.8)

4 (10.8)

 

    Severe

2 (3.8)

0

 

Abdominal distension, n (%)

97(30.5)

77 (24.0)

0.064

    Mild

76(78.4)

64 (83.1)

 

    Moderate

19(19.6)

12 (15.6)

 

    Severe

2(2.1)

1 (1.3)

 

Weak, n (%)

37(11.6)

37 (11.5)

0.966

    Mild

34(91.9)

34 (91.9)

 

    Moderate

2(5.4)

2 (5.4)

 

    Severe

1(2.7)

1(2.7)

 

Anal pendant expansion, n (%)

58(16.8)

45(12.9)

0.147

    Mild

50(86.2)

41(91.1)

 

    Moderate

6(10.3)

4(8.9)

 

    Severe

2(3.4)

0

 
  1. *P-value was calculated using the χ2-test or Fisher’s exact test for categorical data