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Table 2 Median (first quartile, third quartile) and a p-value of each individual candidate bacteria based on abundancy

From: 16S rRNA sequencing analysis of the oral and fecal microbiota in colorectal cancer positives versus colorectal cancer negatives in Iranian population

 

Type

CRC positives

CRC negatives

p-value

Stool

Top family

Bacteroidaceae

35,138 (20,473, 57,097)

26,441 (19,861.25, 51,036.5)

0.975

 

Coprobacillaceae

22,037 (22,037, 22,037)

NA

 
 

Enterobacteriaceae

32,034 (11,517.5, 45,663)

26,693 (12,241, 67,296)

0.961

 

Enterococcaceae

21,837 (21,837, 21,837)

NA

 
 

Lachnospiraceae

20,466.5 (15,082.75, 26,686.25)

9915 (8118.5, 18,518)

0.006

 

Neisseriaceae

21,907 (21,907, 21,907)

NA

 
 

Pasteurellaceae

19,133.5 (11,658, 26,609)

3078 (3078, 3078)

0.221

 

Prevotellaceae

18,563 (13,833, 42,279)

71,417 (29,676.5, 106,358)

0.021

 

Ruminococcaceae

20,242 (13,254.25, 23,827)

22,173 (9717.5, 26,917.5)

0.946

 

Streptococcaceae

20,557 (245, 29,531)

NA

 

Top species

Bacteroides cellulosilyticus

16,964 (16,964, 16,964)

NA

 
 

Bacteroides vulgatus

13,640 (6536, 26,760.5)

6081 (3432.75, 12,740.5)

0.090

 

Coprobacillus cateniformis

22,036 (22,036, 22,036)

NA

 
 

Escherichia albertii

14,601 (5602.75, 24,528.5)

12,575 (4297.5, 33,527)

0.752

 

Haemophilus parainfluenzae

12,201.5 (6813, 17,590)

NA

 
 

Porphyromonas asaccharolytica

20,356 (20,356, 20,356)

NA

 
 

Prevotella copri

16,278 (3795, 24,755)

21,376 (3760, 57,922)

0.441

 

Sphingobacterium bambusae

14,383 (14,383, 14,383)

NA

 
 

Streptococcus vestibularis

12,767 (12,767, 12,767)

NA

 
 

Unclassified at Species level

70,268 (58,857.5, 79,222)

65,762 (57,502.75, 87,313.5)

0.639

Top phylum

Actinobacteria

900 (396, 2108.5)

1271.5 (415.75, 2160.75)

0.770

 

Bacteroidetes

82,999 (32,927, 102,132.5)

89,034 (56,220.75, 104,966.25)

0.429

 

Firmicutes

58,043 (47,733, 72,777.5)

56,212 (38,746, 74,629.75)

0.725

 

Fusobacteria

788.5 (271.5, 2717.75)

13 (13, 13)

0.114

 

Nitrospirae

325.5 (142, 1003.25)

133 (63, 616.5)

0.124

 

Proteobacteria

16,907 (11,310.5, 44,244.5)

9314 (7409.25, 26,199.5)

0.053

 

Spirochaetes

307.5 (118, 497)

NA

 
 

Tenericutes

226 (41, 1221.5)

1262 (22, 2502)

1.000

 

Unclassified at Phylum level

1884 (1154.5, 2477.5)

1767.5 (1278.5, 2876.75)

0.930

 

Verrucomicrobia

958.5 (271.25, 2273)

210 (82.75, 9329.75)

0.269

Saliva

Top family

Flavobacteriaceae

6784.5 (2604.5, 8936.5)

8128 (7083, 10,112)

0.289

 

Gemellaceae

9110 (2739, 9895)

3722 (2054, 5392)

0.210

 

Lactobacillaceae

16,178 (5758, 25,449)

NA

 
 

Micrococcaceae

10,796 (6851, 22,256)

5363 (5363, 5363)

0.384

 

Neisseriaceae

27,814 (6188, 41,674)

22,459 (9471.5, 30,426)

0.695

 

Porphyromonadaceae

9893 (5834, 19,547.5)

6259.5 (3340.25, 9906.75)

0.093

 

Prevotellaceae

30,879 (9420.5, 39,816.5)

20,346 (8663, 31,362)

0.386

 

Rivulariaceae

52,390 (4881, 99,899)

NA

 
 

Streptococcaceae

37,934 (28,412, 47,562)

52,361 (33,431, 62,602)

0.156

 

Veillonellaceae

24,049.5 (9543.75, 36,522.5)

26,681 (17,955, 34,776)

0.536

Top species

Calothrix parietina

52,381.5 (4878, 99,885)

NA

 
 

Granulicatella adiacens

11,447 (5475, 11,609)

NA

 
 

Neisseria flavescens

11,156 (6278, 16,034)

10,976.5 (7555.75, 14,895.25)

1.000

 

Neisseria mucosa

15,137 (9509.25, 29,842.25)

10,501 (8133, 16,335)

0.288

 

Neisseria subflava

12,388 (12,388, 12,388)

4749 (4749, 4749)

0.317

 

Prevotella melaninogenica

16,095 (12,500.5, 17,582)

12,400 (6664, 17,685)

0.273

 

Rothia dentocariosa

10,847 (10,847, 10,847)

NA

 
 

Rothia mucilaginosa

13,025.5 (5100.5, 20,090.75)

NA

 
 

Unclassified at Species level

47,894 (43,544, 57,892)

48,100 (44,866, 54,567)

0.846

 

Veillonella atypica

11,240 (8108, 15,829.75)

11,364 (8764, 17,463)

0.767

Top phylum

Actinobacteria

8467 (2359, 17,695)

4542 (3117, 6773)

0.097

 

Bacteroidetes

43,222.5 (23,659.25, 52,389.25)

30,558 (20,851, 43,199)

0.279

 

Chloroflexi

1037 (1037, 1037)

NA

 
 

Firmicutes

76,819 (68,534, 96,665)

100,930 (72,165, 107,327)

0.263

 

Fusobacteria

3328 (2133, 5205)

5466 (4048, 7725)

0.018

 

Proteobacteria

15,284 (7899, 53,296)

31,032 (11,128, 55,320)

0.317

 

Spirochaetes

146 (111.25, 1249.5)

190 (112.5, 304.5)

0.847

 

Thermi

161.5 (64.75, 232)

NA

 
 

Unclassified at Phylum level

1131 (930, 1279)

973 (807, 1028)

0.135

 

Verrucomicrobia

221 (91, 328.5)

134.5 (87.75, 242)

0.495

  1. The median [interquartile range (IQR)] was reported for each bacterium. The Dunn’s test was used to test the median of each bacterium between CRC and Normal. NA means that some microbiotas do not have third quartile values
  2. Significant p-values were bolded