Table 2.
Comparison cognitive parameters between non-obese and obese groups
| Variable | Non-obese group (n = 66) | Obese group (n = 66) | P |
|---|---|---|---|
| ERPs-P300 | |||
| Latency (ms) | 316.48 ± 9.13 | 345.94 ± 7.53 | < 0.001 |
| Amplitude (mV) | 14.53 ± 6.48 | 11.45 ± 4.25 | 0.002 |
| Reaction time | |||
| ART (ms) | 0.20 ± 0.03 | 0.22 ± 0.03 | 0.001 |
| VRT (ms) | 0.23 ± 0.03 | 0.25 ± 0.03 | 0.005 |
| MMSE score | 29.89 ± 0.63 | 27.56 ± 3.07 | < 0.001 |
| Mini-CAQ Score | 20.21 ± 1.67 | 17.84 ± 3.71 | < 0.001 |
| SCT | |||
| Time (sec) | 70.13 ± 12.50 | 78.22 ± 15.69 | 0.026 |
| No. of errors | 0.15 ± 0.40 | 1.03 ± 1.50 | < 0.001 |
| STMT | |||
| Time (sec) | 45.80 ± 13.82 | 48.67 ± 17.19 | 0.304 |
| No. of errors | 0.18 ± 0.49 | 0.54 ± 0.94 | 0.006 |
| Digit span test | |||
| FDST score | 6.85 ± 1.11 | 6.55 ± 1.12 | 0.140 |
| RDST score | 6.00 ± 1.38 | 5.31 ± 1.45 | 0.006 |
Values are presented as mean± standard deviation. The mean difference between the groups were analyzed using unpaired t-test. A P-value < 0.05 considered statistically significant.
ERPs-P300, event-related potentials P300; ART, auditory reaction time; VRT, visual reaction time; MMSE, mini-mental state examination; Mini-CAQ, mini-cognitive assessment questionnaire; SCT, symbol cancellation test; STMT: symbol trail making test; FDST, forward digit span test; RDST, reverse digit span test.