Age Is the Only Predictor of Poor Bowel Preparation in the Hospitalized Patient

Table 1

Characteristics of patients as a function of bowel preparation.

	Overall	Poor bowel preparation	Adequate bowel preparation
Number of patients (%)	244	85 (34.8)	158 (64.8)
Median age [IQR]	71 58, 79	76 64.5, 82	67 53, 77	<0.001
Gender (%)
Male	54.7	52.9	55.7	0.688
Female	45.3	47.1	44.3
Comorbidity (%)
Diabetes	31.4	39.3	27.2	0.06
Neurologic condition	10.3	14.6	6.5	0.296
Limited mobility	29.5	36.9	25.5	0.075
Previous abdominal surgery	40.2	34.6	43.2	0.253
Charlson Comorbidity Index (CCI) (%)
0	20.2	16.7	22.2	0.068
1	12.8	8.3	15.2
2	16.5	13.1	18.4
≥3	50.4	61.9	44.3
Medication (Rx) (%)
More than 8 Rx	37.4	42.4	35.0	0.270
Narcotic	17.4	21.4	15.3	0.285
Bowel preparation and procedure (%)
PEG with electrolytes	88.9	87.7	89.5	0.466
Sodium picosulfate	9.0	9.9	8.5
Split dose	9.9	11.2	9.2	0.648
Time of procedure (PM)	58.9	58.4	59.2	0.915

Chi-square association between patient characteristics and bowel preparation.
Mann-Whitney test performed.