Table 1 Percentage of endospores recovered from swabs directly inoculated with 1000 ± 67.5 endospores (n = 20, of which 48% were germinable and 28% were culturable). Percentages calculated are relative to mean of control tests, thus allowing maximum to be > 100%. CI: confidence interval.

From: Quantitative and Fast Sterility Assurance Testing of Surfaces by Enumeration of Germinable Endospores

 

Mean

Median

SD

Range

95% CI

EGA

92.7

93.0

9.2

75.0–107.7

87.5–98.5

TSA pour plating

86.8

84.5

13.8

64.0–114.3

73.9–103.5

  1. EGA values were calculated based on recovered germinable endospores against inoculated germinable endospores. TSA pour plating values were calculated based on recovered culturable endospores against inoculated culturable endospores.