S.No.	Immunological Parameter	Types of Samples	Mean ± SD Unit	Disease/Control	Reference
1	C₃	Serum	(133.8 ± 29.7) mg/dl	Control	AL-Hakeim, H.K., et al. [84]
2	C₃	Serum	(171.3 ± 81.2) mg/dl	Depressed	do
3	C₄	Serum	(26.8 ± 7.9) mg/dl	Control	do
4	C₄	Serum	(5.6 ± 21.7) mg/dl	Depressed	do
5	IgA	Serum	(218.9 ± 127.6) mg/dl	Control	do
6	IgA	Serum	(253.3 ± 188.7) mg/dl	Depressed	do
7	IgG	Serum	(1128.4 ± 413.7) mg/dl	Control	do
8	IgG	Serum	(1652.4 ± 849.5) mg/dl	Depressed	do
9	IgM	Serum	(176.4) ± 92.3) mg/dl	Control	do
10	IgM	Serum	(158.5 ± 83.4) mg/dl	Depressed	do
11	C₃	Serum	(0.80 ± 0.10) g/l	Control	Olsson, R., et al. [85]
12	C₃	Serum	(0.85 ± 0.16) g/l	Epilepsy	do
13	C₄	Serum	(86 ± 26) g/l	Control	do
14	C₄	Serum	(85 ± 33) g/l	Epilepsy	do
15	IgG	Serum	(11 ± 2.5) g/l	Control	do
16	IgG	Serum	(9.5 ± 1.1) g/l	Epilepsy	do
17	IgA	Serum	(1.7 ± 0.6) g/l	Control	do
18	IgA	Serum	(1.5 ± 1.1) g/l	Epilepsy	do
19	IgM	Serum	(1.5 ± 0.4) g/l	Control	do
20	IgM	Serum	(1.6 ± 0.8) g/l	Epilepsy	do
21	IgG	CSF	(0.019 ± 0.005) g/l	Control	Milica, T.C., et al. [74]
22	IgG	Serum	(9.8 ± 2.7) g/l	Control	do
23	C₃	CSF	(0.0020 ± 0.004) g/l	Control	do
24	C₃	Serum	(1.13 ± 0.21) g/l	Control	do
25	C₄	CSF	(0.0007 ± 0.0002) g/l	Control	do
26	C₄	Serum	(0.25 ± 0.08) g/l	Control	do
27	IgG	CSF	(0.386 ± 0.658 ) g/l	Hemorrhages into CNS accuta	do
28	IgG	Serum	(14.4 ± 1.8) g/l	do	do
29	C₃	CSF	(0.015 ± 0.016) g/l	do	do
30	C₃	Serum	(1.15 ± 0.15) g/l	do	do