Table 1.

Median percentages of recovery of anaerobic and aerobic strains tested on six different combinations of swabs and media

Storage time (h)Median % recovery with the indicated swab fiber/transport medium combination
V/0PU/0V/APU/AV/PACPU/PAC
For anaerobic strains (n = 6)a
  08.05427.712.89.17.6
  27.833.520.4104.74.9
  48.328.419.88.65.63.9
  62.818.711.78.252.3
  80.815.915.15.33.31.7
 122.616.811.95.23.32.2
 240.56.86.534.34.1
 4800.30.60.327.494.4
For aerobic strains (n = 5)a
  08.499.124.917.411.48.7
  21390.725.718.88.18.8
  411120.519.113.117.29.7
  67.7149.121.620.196
  83.614924.522.2147.4
 12b1.443.115.415.33.26.7
 240.3 NCc22.55210.716.1
 480NCNCNC177.7136.1
  • a See Table 2 for results for the individual aerobic and anaerobic strains.

  • b Recovery was determined for three of five strains: the N. gonorrhoeae, H. influenzae, andS. pneumoniae strains.

  • c NC, not countable.