. 2004 Jun;10(6):1023–1029. doi: 10.3201/eid1006.030716

Table 1. Percentage of spores recovered from premoistened, directly inoculated, and vortexed swabs^a.

Swab material	Mean	Median	SD	Range^b	95% CI^c
Cotton	93.9	93.1	10.1	72.5–112.9	87.7–100.2
Macrofoam	93.4	96.6	10.8	73.4–107.7	86.6–100.1
Polyester	83.8	81.9	7.2	73.3–98.2	79.4–88.3
Rayon	91.7	92.6	6.3	79.8–100.7	87.8–95.5

^aN = 10. ^bPercentages calculated relative to mean of control tests, allowing maximum to be >100%. ^cCI, confidence interval.

Table 1. Percentage of spores recovered from premoistened, directly inoculated, and vortexed swabsa.