Table 6. Comparison of direct immunofluorescence (DIF) findings reported in previous studies .

Table 6: Comparison of direct immunofluorescence (DIF) findings reported in previous studies [2-5,13,22]

Study	Number of study subjects	DIF done	DIF positive	IgA positivity	IgM positivity	IgG positivity	C3 positivity
Index study	61	56/61 (91.8%)	36/56 (64.2%)	28/56 (50.0%)	7/56 (12.5%)	3/56 (5.4%)	18/56 (32.1%)
Grunwald et al. [22]	40	40 (100%)	37/40 (92%)	17%	25%	28%	40%
Sais et al. [3]	160	102/160 (63.8%)	84.3%	64.7%	49.0%	42.2%	80.4%
Bouiller et al. [4]	112	99 (88.4%)	84/99 (84.8%)	34/99 (34.3%)	36/99 (36.6%)	11/99 (11.1%)	77/99 (77.8%)
Lath et al. [13]	430	198/430 (46.04%)	119/198 (60%)	70/198 (35.4%)	49/198 (24.7%)	37/198 (18.6%)	60/198 (30.3%)
Gupta et al. [2]	50	23/50 (46%)	17/23 (73.9%)	10/23 (43.5%)	12/23 (52.2%)	6/23 (27.1%)	12/23 (52.2%)
Khetan et al. [5]	61	40/61 (65.6%)	Not mentioned	11/40 (27.5%)	10/40 (25%)	12/40 (30%)	19/40 (47.5%)