Antibody levels to tetanus, diphtheria, measles and varicella in patients with primary immunodeficiency undergoing intravenous immunoglobulin therapy: a prospective study

Table 2 IgG and antibody levels in serum samples for each of the four samplings

	Mean	SD	Min	Max	n
Tetanus (IU/mL)
First sample	0,82^(A)	0,28	0,34	1,57	21
Second sample	1,72^(B)	0,77	0,79	3,48	21
Third sample	1,82^(B)	0,81	0,16	3,25	21
Fourth sample	2,22^(B)	2,22	0,17	9,90	21
Diphtheria (IU/mL)
First sample	0,49^(C)	0,25	0,07	0,96	21
Second sample	0,61^(C)	0,38	0,14	1,53	21
Third sample	0,64^(C)	0,46	0,08	1,65	21
Fourth sample	1,22^(D)	0,53	0,16	2,15	21
Measles (IU/mL)
First sample	2,21^(E)	0,67	0,81	3,47	21
Second sample	2,88^(E)	1,83	0,86	6,82	21
Third sample	1,74^(F)	0,99	0,60	4,30	21
Fourth sample	2,66^(E)	1,51	1,09	7,94	21
Varicella (IU/mL)
First sample	0,86^(G)	0,84	0,27	4,06	21
Second sample	1,45^(H)	0,60	0,70	2,57	21
Third sample	1,50^(H)	0,61	0,48	2,67	21
Fourth sample	2,33^(I)	1,18	0,60	5,27	21
Total IgG (mg/dL) – plasma samples
First sample	748,71^(J)	167,26	459,0	1040,0	21
Second sample	741,76^(J)	154,01	521,0	1030,0	21
Third sample	754,19^(J)	162,62	535,0	1070,0	21
Fourth sample	868,62^(K)	162,85	634,0	1220,0	21

^(A)and ^(B)have different mean at a significant level of 5% (p = 0.017).
^(C)and ^(D)have different mean at a significant level of 5% (p < 0.001).
^(E)and ^(F)have different mean at a significant level of 5% (p = 0.043).
^(G),^(H) and ^(I)have different mean at a significant level of 5% (p < 0.001).
^(J)and ^(K)have different mean at a significant level of 5% (p = 0.0156).

ISSN: 1471-2172