Table 1.
Outcomes of M. ulcerans primary culturing
| Attribute | Non-contamination vs. contamination # | M. ulcerans growth vs. no growth ## | M. ulcerans growth vs. contamination or no growth ### | |
|---|---|---|---|---|
| M. ulcerans growth per swab (%) | 71/443 (16.03) | 71/220 (32.27) | 71/302 (23.50) | |
| M. ulcerans growth per decontamination procedure (%) | Total | 80/680 (11.76) | 80/315 (25.40) | 80/466 (17.17) |
| NaOH_10min | 21/106 (19.81) | 21/59 (35.59) | 21/99 (21.21) | |
| NaOH_20min | 19/214 (8.88) | 19/113 (16.81) | 19/139 (13.67) | |
| OA_1h | 17/157 (10.83) | 17/73 (23.29) | 17/118 (14.41) | |
| OA_30min | 23/203 (11.33) | 23/70 (32.86) | 23/110 (20.91) | |
| M. ulcerans growth per inoculation (%) | 88/1125 (7.82) | 88/440 (20.00) | 88/700 (12.57) | |
| M. ulcerans growth per patient (%) | 31/95 (32.63) | 31/66 (46.97) | 31/72 (43.06) | |
| Contamination per swab (%) | 284/443 (64.11) | - | 188/302 (62.25) | |
| Contamination per decontamination procedure (%) | Total | 346/680 (50.88) | - | 223/466 (47.85) |
| NaOH_10min | 54/106 (50.94) | - | 48/99 (48.48) | |
| NaOH_20min | 97/214 (45.33) | - | 58/139 (41.73) | |
| OA_1h | 74/157 (47.13) | - | 54/118 (45.76) | |
| OA_30min | 121/203 (59.61) | - | 63/110 (57.27) | |
| Contamination per inoculation (%) | 446/1125 (39.64) | - | 260/700 (37.14) | |
| No growth (%) | 591/1125 (52.53) | 352/440 (80.00) | 352/700 (50.29) | |
| Days to primary outcome* | 5.0 (4.0; 11.0) | 67.0 (55.0; 105.2) | 67.0 (55.0; 105.2) | |
#Analysis of 1125 inoculations from 95 patients with contamination as the primary outcome.
##Analysis of 440 inoculations from 66 patients with M. ulcerans growth as the primary outcome.
###Analysis of 700 inoculations from 72 patients with M. ulcerans growth as the primary outcome.
*Median with IQR in parentheses.