Table 4. False positive results.

	iLED	Fraen	Lumin
3+	0	0
2+	1	1	3
1+	11	11	12
Scanty	17	22	18
No grading		2	3
Total	29	36	36
	21 Fraen(+), 23Lumin (+)	21iLED (+), 24Lumin(+)	24 Fraen(+), 23 iLED(+)