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Comparison of glottal closure in the study group (n = 16) and control group (n = 22).
| Complete closure | Anterior chink | Posterior chink | Spindle shaped | Irregular | Incomplete closure | ||
|---|---|---|---|---|---|---|---|
| Study group | 0 | 1(6) | 1(6) | 3(19) | 9(56) | 2(13) | χ2 = 17.22; p = 0.004 |
| Control group | 2(9) | 0 | 2(9) | 15(68) | 1(5) | 2(9) |
