Table 4.

Logistic regression analysis results in regard to different levels of effect.

Effect	Level of effect	Column	Estimate	SE	Wald statistics	Lower CL 95.0%	Upper CL 95.0%	p	OR	95% CI	95% CI
Intercept		1	2.846	1.334	4.553	0.232	5.460	0.033	17.215	1.261	235.019
bLf usage	1	2	−0.992	0.550	3.253	−2.069	0.086	0.071	0.371	0.126	1.090
Male gender	1	3	0.079	0.521	0.023	−0.942	1.099	0.880	1.082	0.390	3.002
Antibiotic code	1	4	0.080	1.223	0.004	−2.318	2.477	0.948	1.083	0.098	11.910
Antibiotic code	2	5	−1.500	1.150	1.703	−3.754	0.753	0.192	0.223	0.023	2.124
Antibiotic code	3	6	−2.050	1.145	3.202	−4.295	0.195	0.074	0.129	0.014	1.216
Antibiotic code	5	7	−1.190	1.389	0.733	−3.913	1.534	0.392	0.304	0.020	4.635
Mode of antibiotic delivery: 1 = p.o.	1	8	−0.715	0.648	1.217	−1.984	0.555	0.270	0.489	0.137	1.742
Age		9	0.311	0.124	6.262	0.067	0.555	0.012	1.365	1.070	1.742
Scale			1.000	0.000		1.000	1.000

Levels of antibiotics are referred to the clarithromycin (level 4).

OR, odds ratio; bLf, bovine lactoferrin; CL, confidence level; p.o., per os.

Antibiotic codes for levels of effect: 1—amoxycillin, 2—amoxicillin and clavulanic acid, 3—cephalosporins, 4—clarithromycin, and 5—penicillin.