Table 2.

Score of category between detection group and nondetection group.

Score of category (range)	Detection Group (n = 25)Median (25th, 75th percentile)	Nondetection Group (n = 30)Median (25th, 75th percentile)Median (25th, 75th percentile)	P
Total point (0–12)	6 (4, 7)	2 (1, 4)	.0002∗
Hygiene (0–3)	2 (1, 2)	1 (0, 1)	.014∗
Xerostomia (0–3)	1 (1, 2)	0 (0, 1)	.001∗
Mucositis (0–3)	1 (1, 1)	0 (0, 1)	.004∗
Occlusion (0–3)	1 (1, 2)	0 (0, 1)	.051

Detection Group, detection of Gram-negative bacilli; nondetection group, nondetection of Gram-negative bacilli. P value by Fisher's exact test.

^∗Statistically significant (P < .05).