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Table 1 Frequency of the throat colonization by Haemophilus parainfluenzae in healthy people and in patients with lung cancer before (Examination I, EI) and after (Examination II, EII) perioperative prophylaxis without and with postoperative treatment

From: Haemophilus parainfluenzae as a marker of the upper respiratory tract microbiota changes under the influence of preoperative prophylaxis with or without postoperative treatment in patients with lung cancer

Group of patients No. (%) of people
Uncolonized by haemophili Colonized by Haemophilus parainfluenzae RR (95 % CI) p value
Healthy people (n = 65) 16 (24.6) 42 (64.6) Referent  
Patients with lung cancer (n = 30)
 EI 10 (33.3) 19 (63.3) 0.8 (0.4-1.5) 0.6203
 EII 17 (56.7) 13 (43.3) 0.5 (0.3-0.8) 0.0106
 EI + EII 10 (33.3) 20 (66.7) 0.8 (0.4-1.6) 0.6264
  1. Abbreviations: RR relative risk