Table 4 Model describing the association ^§ between M. ulcerans growth versus no growth or contamination and all factors of interest with a relevant effect

Transport medium

7H9

0.617

0.269 - 1.415

0.019

dry

0.248

0.094 - 0.655

Amies (ref. level)

1.000

Decontamination medium

OA_1h

0.440

0.182 - 1.062

0.295

OA_30min

0.529

0.203 - 1.375

NaOH_20min

0.739

0.236 - 2.313

NaOH_10min (ref. level)

1.000

Inoculation media

LJ

0.345

0.169 - 0.703

0.003

LJ_PANTA (ref. level)

1.000

Swab qPCR Ct value

for an increase in 1 unit Ct

0.892

0.818 - 0.974

0.011

Time from sampling to inoculation

for an increase in 10 days

0.809

0.695 - 0.941

0.006