Table 2. Quality of slides that had been read in study hospitals according to re-examination by expert slide readers.

Hospital no.	Good	Poor	Unreadable
1	4 (18.2)	13 (59.1)	5 (22.7)
2	2 (10.0)	14 (70.0)	4 (20.0)
3	2 (10.5)	7 (36.8)	10 (52.6)
4	2 (11.7)	15 (88.2)	0
5	2 (10.0)	14 (70.0)	4 (20.0)
6	13 (86.7)	0	2 (13.3)
7	6 (30.0)	12 (60.0)	2 (10.0)
8	5 (62.5)	3 (37.5)	0
9	1 (16.7)	4 (66.7)	1 (16.7)
10	2 (10.0)	13 (65.0)	5 (25.0)
11	13 (65.0)	7 (35.0)	0
12	17 (89.5)	2 (10.5)	0
Total	69 (33.5)	104 (50.5)	33 (16.0)