Bacteria CNT (n=97) CNT (n=97) COVID-19 (n=98) χ2 P value
Stenotrophomonas maltophilia
Yes
3 (3.1)
12 (12.2)
5.751
0.016
No 94 (96.9) 86 (87.8)
Acinetobacter baumannii Yes 18 (18.6) 7 (7.1) 5.682 0.017
No 79 (81.4) 91 (92.9)
Staphylococcus aureus Yes 8 (8.2) 5 (5.1) 0.775 0.379
No 89 (91.8) 93 (94.9)
Haemophilus influenzae Yes 2 (2.1) 4 (4.1) 0.663 0.415
No 95 (97.9) 94 (95.9)
Escherichia coli Yes 10 (10.3) 4 (4.1) 2.823 0.093
No 87 (89.7) 94 (95.9)
Streptococcus pneumoniae
Yes
4 (4.1)
5 (5.1)
0.105
0.745
No 93 (95.9) 93 (94.9)
Klebsiella pneumoniae Yes 29 (29.9) 30 (30.6) 0.012 0.913
No 68 (70.1) 68 (69.4)
Klebsiella oxytoca Yes 1 (1.0) 1 (1.0) 0.000 0.994
No 96 (99.0) 97 (99.0)
Enterobacter cloacae Yes 3(3.1) 1 (1.0) 1.037 0.309
No 94 (96.9) 97 (99.0)
Pseudomonas aeruginosa Yes 15 (15.5) 22 (22.4) 1.547 0.214
No 82 (84.5) 76 (77.6)
Enterobacter aerogenes Yes 1 (1.0) 2 (2.0) 0.327 0.568
No 96 (99.0) 96 (98.0)
Ralstonia pickettii Yes 1 (1.0) 0 (0.0) 1.010 0.315
No 96 (99.0) 98 (100.0)
Moraxella catarrhalis Yes 0 (0.0) 1 (1.0) 0.990 0.320
No 97 (100.0) 97 (99.0)
Raoultella ornithinolytica Yes 1 (1.0) 0 (0.0) 1.010 0.315
No 96 (99.0) 98 (100.0)
Leclercia adecarboxylate Yes 1 (1.0) 0 (0.0) 1.010 0.315
No 96 (99.0) 98 (100.0)
Serratia marcescens Yes 0 (0.0) 2 (1.0) 1.990 1.158
No 97 (100.0) 96 (98.0)
Achromobacter denitrificans
Yes
0 (0.0)
1 (1.0)
0.990
0.320
No 97 (100.0) 97 (99.0)
Aeromonas hydrophila Yes 0 (0.0) 1 (1.0) 0.990 0.320
No 97 (100.0) 97 (99.0)