Table 2.
Participant characteristics by matched sub-group.
| Pure SLI N = 16 | Controls N = 16 | F(1, 31) | SLI PPR N = 15 | Controls N = 15 | F(1, 29) | |
|---|---|---|---|---|---|---|
| Age in months | 109.4 (20.8) | 106.6 (17.1) | 0.2 | 115.5 (14.0) | 107.6 (17.2) | 1.9 |
| CELF REC SSa,b | 12.9 (4.2) | 21.3 (4.0) | 32.9*** | 11.7 (4.3) | 21.2 (4.2) | 37.7*** |
| CELF EXPR SSc | 11.4 (2.8) | 18.3 (3.4) | 39.2*** | 7.2 (1.6) | 18.3 (3.5) | 124.0*** |
| WISC NVIQ SSd | 91.1 (19.6) | 96.1 (14.5) | 0.7 | 87.8 (14.1) | 95.7 (14.9) | 2.2 |
| Ravens | 95.3 (14.1) | 93.8 (10.2) | 0.1 | 83.3 (14.7) | 92.3 (8.8) | 4.1 |
| BPVS SSe | 94.2 (9.3) | 104.5 (8.6) | 10.5** | 86.6 (10.3) | 104.2 (8.9) | 25.4*** |
| BAS reading SSf | 101.8 (12.3) | 104.8 (10.5) | 0.6 | 73.9 (9.7) | 104.5 (10.8) | 67.2*** |
| TOWRE SSg | 97.3 (17.0) | 102.1 (9.4) | 1.0 | 69.5 (11.0) | 101.1 (8.7) | 75.9*** |
| BAS spelling SS | 101.2 (17.6) | 106.3 (12.7) | 0.9 | 68.4 (8.9) | 104.3 (8.9) | 87.6*** |
| Oddity rhyme (out of 20) | 13.4 (4.3) | 15.0 (3.1) | 1.5 | 8.4 (3.0) | 14.9 (3.1) | 33.3*** |
| PSTMh (Words correct) | 36.3 (13.5) | 41.8 (8.0) | 1.9 | 30.4 (8.1) | 42.4 (7.8) | 17.1*** |
| RANj (seconds) | 45.7 (24.4) | 36.4 (7.0) | 2.2 | 55.4 (18.2) | 35.7 (6.3) | 15.8*** |
Standard deviations in parentheses. *p < 0.05,
**
p < 0.01,
***
p < 0.001.
a
SS, standard score.
b
Clinical Evaluation of Language Fundamentals, Receptive.
c
Clinical Evaluation of Language Fundamentals, Expressive.
d
WISC non-verbal IQ.
e
British Picture Vocabulary Scales.
f
British Ability Scales single word reading.
g
Test of Word Reading Efficiency combined score.
h
Phonological short-term memory.
j
Rapid Automatized Naming combined score.