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Table 2 Bacteriological findings in 169 of the 216 patients included, and comparison according to the consumption of anti-inflammatory drugs prior to admission

From: Impact of anti-inflammatory drug consumption in peritonsillar abscesses: a retrospective cohort study

 

Total population

No AID

AID

AID vs. no AID

NSAID

NSAID vs. no AIDa

Corticosteroids

Corticosteroids vs. no AIDa

NAIDS vs. corticosteroidsa

p-value

p-value

p-value

p-value

Bacteriological analysis

169 (78.2 %)

65 (73.0 %)

104 (81.9 %)

0.125

65 (85.5 %)

0.268

55 (82.1 %)

0.588

0.632

Streptococcus spp

110 (65.5 %)

44 (67.7 %)

66 (64.1 %)

0.631

40 (62.5 %)

0.424

37 (67.3 %)

0.914

0.548

   S. pyogenes

30 (17.9 %)

17 (26.2 %)

13 (12.6 %)

0.026

10 (15.6 %)

0.512

3 (5.5 %)

0.022

0.131

   S. milleri group

55 (32.7 %)

19 (29.2 %)

36 (35.0 %)

0.442

19 (29.7 %)

0.452

25 (45.5 %)

0.136

0.040

Staphylococcus aureus

6 (3.6 %)

4 (6.2 %)

2 (1.9 %)

0.207

1 (1.6 %)

0.393

1 (1.8 %)

0.648

1.000

Haemophilus spp

4 (2.4 %)

2 (3.1 %)

2 (1.9 %)

0.641

1 (1.6 %)

1.000

1 (1.8 %)

1.000

1.000

 Anaerobes

66 (39.3 %)

19 (29.2 %)

47 (45.6 %)

0.034

26 (40.6 %)

0.070

25 (45.5 %)

0.012

0.457

   Fusobacterium spp

43 (25.6 %)

11 (16.9 %)

32 (31.1 %)

0.041

18 (28.1 %)

0.043

16 (29.1 %)

0.028

0.802

   Prevotella spp

11 (6.5 %)

2 (3.1 %)

9 (8.7 %)

0.206

6 (9.4 %)

0.110

4 (7.3 %)

0.361

0.726

 Plurimicrobial infection

61 (36.1 %)

20 (30.8 %)

41 (32.5 %)

0.254

24 (36.9 %)

0.658

24 (43.6 %)

0.186

0.395

  1. Data are presented as n (%). For the calculation of each percentage, the number of missing values was excluded from the denominator. Groups were compared by non-parametric tests (chi-square and Fisher exact tests), as appropriate
  2. AID anti-inflammatory drug, NSAID non-steroidal anti-inflammatory drug, vs. versus
  3. aExcluding patients receiving both NSAIDs and corticosteroids