Table 4 Comparisons of CRISPR-associated (cas) genes between phage susceptible and resistant A. baumannii.

From: Genomic analysis reveals high virulence and antibiotic resistance amongst phage susceptible Acinetobacter baumannii

Characteristics

No. of isolates

p-values*

Phage susceptible

(n = 107)

Phage resistant

(n = 123)

cas1 positive

11/107 (10.28%)

21/123 (17.07%)

0.1376

cas2 positive

0/107 (0.00%)

2/123 (1.67%)

NC

cas3 positive

9/107 (8.41%)

21/123 (17.07%)

0.0517

cas5 positive

8/107 (7.47%)

26/123 (21.14%)

0.0036

cas6 positive

2/107 (1.87%)

5/123 (4.06%)

NC

cas9 positive

0/107 (0.00%)

0/123 (0.00%)

NC

Positive for two or three cas-types

9/107 (8.41%)

23/123 (18.70%)

0.0245

  1. Bold font indicates statistically significant difference between two groups.
  2. NC not comparable.
  3. *p-values less than 0.05 were considered as statistically significant difference (Fisher's exact test).