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| Group | Before op Avg. duration (ms) | After op Avg. duration (ms) |
|---|---|---|
| — | 257 | |
| Good regenerated | 83 | 112 |
| MACs group | — | 68 |
| — | — | |
| — | 181 | |
| — | — | |
| — | — | |
| Poor regenerated | *103 | — |
| MACs group | — | — |
| — | — | |
Avg. duration indicates average opening time of ET during 2 or 3 times swallowing.
Minus (−) indicates under 50 ms of opening time.
Simple OMC with TM perforation
