Lab. no (1) tipo % vag. swabs %vag./rect. swabsor vag+rect swabs Total investig. % Lab. no (1) tipo % vag. swabs %vag./rect. swabs or vag+rect swabs
6 b 99% 1% 683 15.60% a no b b
11* c 0% 100% 200 20.00% a yes a a
14 b 0% 100% 602 16.80% a + c no b a + b
25 c 19% 81% 1263 19.00% c yes a a
34 b 80% 20% 842 17.30% c + d yes a b
42 b 6% 94% 1534 19.20% a yes a b
55* c 0% 100% 490 20.00% a no a b
61* c 87% 13% 145 22.60% a yes a a + b
70 c 1% 99% 974 19.42% a yes b b
Tot. e% 27% 73% 6733 20.05%   no 26.30%    
a-18-24 h incubation time at 35-37° C in CO2; b-18-24 h incubation time at 35-37° anaerobically
c-18-24 h incubation time at 35-37° aerobically
Table 3: Laboratories with positivity >15% in the investigation of screening.