Table 1.

Bowel-tolerance questionnaire questions and responses in comparison to historical controls undergoing full bowel preparation

Variable	Response	Reduced preparationa, n (%)	Historical controls [full preparation]b, n (%)	P value
How did you find understanding prep sheet?	Easy	56 (63)	48 (70)	0.39
	Fairly easy/difficult	33 (37)	21 (30)
How did you find swallowing medicine?	Easy	43 (48)	44 (64)	0.36
	Fairly easy	36 (40)	32 (32)
	Quite difficult/difficult	10 (11)	3 (4)
How did you find coping with special diet?	No problem	59 (66)	42 (61)	0.49
	Bit difficult	24 (27)	24 (35)
	Very difficult	6 (7)	3 (4)
How did you feel after medicine?	Fine	65 (73)	48 (70)	0.96
	Unwell/very unwell	24 (27)	21 (30)
Did you have any abdominal pain?	None	31 (36)	25 (36)	0.37
	Mild	39 (45)	27 (39)
	Moderate/severe	16 (19)	17 (25)
Did you have any nausea/vomiting?	None	58 (67)	46 (67)	0.92
	Mild	22 (26)	18 (26)
	Moderate/severe	6 (7)	5 (7)
Did you experience any faintness or dizziness?	None	70 (81)	54 (78)	0.63
	Mild/moderate/severe	16 (29)	15 (22)
Did you experience any wind?	None	25 (29)	26 (38)	0.27
	Mild	41 (48)	32 (46)
	Moderate/severe	20 (23)	11 (16)
Did you experience any soreness?	None	37 (43)	24 (35)	0.15
	Mild	37 (43)	29 (42)
	Moderate/severe	12 (14)	16 (23)
Did you experience any incontinence?	None	68 (80)	49 (71)	0.2
	Mild	8 (9)	13 (19)
	Moderate/severe	9 (11)	7 (10)
Did you experience any sleep disturbance?	None	33 (39)	41 (59)	0.01
	Mild	29 (34)	20 (29)
	Moderate/severe	23 (27)	8 (12)
How many times did you open your bowel after starting the preparation?	1–3	1 (1)	N/A
	3–5	20 (22)
	>5	69 (77)

N/A Not applicable (not asked)

^a13 g senna plus 18 g magnesium citrate

^b13 g senna plus 36 g magnesium citrate