Table 2.

Papule surface areaa

DayMean papule surface area (mm2) ± SDP
HMPM versus HM versus P
15.17 ± 4.455.11 ± 6.2137.7 ± 37.710.0009
22.00 ± 3.492.06 ± 4.3239.9 ± 35.20.9980.0001
  • a H, heat-killed control; M, mutant (FX517); P, parent (35000).