| AQ | OLT group (SD, median) | COT group (SD, median) | P value* | Before | After | Delta value | Before | After | Delta value |
| Total score | 26.7 (26.2, 19) | 39# (31.1, 31.6) | 12.3 (13.6, 7.2) | 28.1 (25.6, 19.2) | 45.3# (27.4, 41.3) | 17.2 (11.6, 16.9) | 0.021 | Spontaneous speech | 5.7 (5.4, 5) | 8.2# (6.4, 6.8) | 2.5 (3.4, 1.5) | 5.5 (5.1, 3) | 9# (5.4, 8.5) | 3.5 (2.9, 3) | 0.049 | Content delivery | 3.4 (3, 3) | 4.6# (3.5, 4) | 1.2 (2.1, 1) | 3.3 (2.8, 2) | 5.2# (2.7, 5) | 1.9 (1.7, 2) | 0.024 | Fluency | 2.5 (2.8, 1.5) | 3.7# (3.3, 2.3) | 1.2 (1.9, 1) | 2.2 (2.4, 1) | 3.9# (4.4, 6.2) | 1.8 (1.7, 1) | 0.097 | Comprehension | 3.6 (2.7, 3.1) | 4.8# (3, 4.4) | 1.3 (1.4, 0.9) | 3.6 (2.9, 3.2) | 6.2# (4.4, 6.2) | 2.7 (4.3, 1.9) | 0.009 | Yes-no | 29.6 (18.9, 32) | 35.7# (19.3, 37.5) | 7.9 (10.4, 9) | 32.1 (17.9, 33) | 43# (15.6, 48) | 11 (13.1, 6) | 0.574 | Auditory verbal comprehension | 21.9 (20.4, 18.5) | 29.8# (21.3, 26.5) | 8 (9.3, 4) | 21.1 (20.1, 11) | 36.2# (19.8, 36) | 15.1 (13.7, 12) | 0.019 | Command performance | 19.7 (21.4, 12) | 28.2# (26, 21.5) | 8.7 (15.6, 1.5) | 19.8 (23.4, 10) | 34.1# (26, 32) | 14.2 (15.5, 8) | 0.031 | Repetition | 2.4 (3.4, 0.6) | 3.6# (3.7, 2.6) | 1.3 (1.8, 0.5) | 3.3 (3.6, 1.2) | 5.5# (5.3, 5.2) | 2.1 (3.9, 1.3) | 0.100 | Naming | 1.6 (2.6, 0.2) | 2.8# (3.2, 1.2) | 1.2 (1.5, 0.8) | 1.9 (2.6, 0.5) | 3.4# (3, 2.1) | 1.5 (1.7, 1.2) | 0.274 | Naming things | 11.4 (18.1, 0.5) | 19.3# (21.1, 9.5) | 8 (11, 4.5) | 12.9 (17.9, 4) | 21.1# (19.2, 14) | 8.2 (10.8, 6) | 0.626 | Control word association | 1.2 (2.5, 0) | 3.1# (4.6, 0) | 1.9 (2.9, 0) | 1.2 (2.8, 0) | 2.7# (4.2, 0) | 1.5 (3.4, 0) | 0.427 | Sentence completion | 2 (3.3, 0) | 2.9# (3.8, 1) | 0.9 (1.8, 0) | 2.5 (3.6, 0) | 4# (3.7, 4) | 1.5 (2.5, 0) | 0.391 | Sentence answer | 1.7 (3.3, 0) | 2# (4.1, 0) | 1 (2.3, 0) | 1.9 (3.3, 0) | 3.3# (3.8, 2) | 1.5 (2.7, 0) | 0.215 |
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