Table 3.
Comparison of mean CPRS subscales’ scores from baseline to the endpoint at 12th week
| CPRS subscales | Ferrous sulfate (n = 22) | Placebo (n = 19) | p value | |||
|---|---|---|---|---|---|---|
|
|
|
|||||
| Mean ± SD | 95% CI | Mean ± SD | 95% CI | |||
| Week 1 | ||||||
| Conduct | 64.91 ± 11.38 | 59.87−65.95 | 69.14 ± 12.97 | 61.66−76.63 | 0.310 | |
| Learning | 64.82 ± 14.56 | 58.36−71.27 | 61.29 ± 8.18 | 56.56−66.01 | 0.415 | |
| Psychosomatic | 63.73 ± 20.19 | 54.78−72.68 | 50.71 ± 12.46 | 43.52−57.91 | 0.038 | |
| Hyperactivity/irritability | 64.73 ± 9.53 | 60.50−68.95 | 62.00 ± 9.72 | 56.39−67.61 | 0.412 | |
| Anxiety | 54.64 ± 8.27 | 50.97−58.30 | 52.86 ± 5.59 | 49.63−56.08 | 0.484 | |
| Hyperactivity index | 64.55 ± 9.86 | 60.17−68.92 | 64.14 ± 9.09 | 58.90−69.39 | 0.903 | |
| Week 6 | ||||||
| Conduct | 62.00 ± 12.28 | 56.55−67.45 | 63.50 ± 8.05 | 59.21−67.79 | 0.673 | |
| Learning | 60.73 ± 15.33 | 53.93−67.53 | 64.38 ± 6.39 | 60.97−67.78 | 0.377 | |
| Psychosomatic | 68.27 ± 20.20 | 59.31−77.23 | 52.38 ± 11.82 | 46.08−58.67 | 0.008 | |
| Hyperactivity/irritability | 59.55 ± 8.66 | 55.71−63.38 | 58.25 ± 8.77 | 53.57−62.93 | 0.652 | |
| Anxiety | 53.27 ± 6.30 | 50.48−56.06 | 54.50 ± 7.10 | 50.72−58.28 | 0.577 | |
| Hyperactivity index | 61.00 ± 9.62 | 56.73−65.27 | 63.13 ± 7.11 | 59.34−64.91 | 0.460 | |
| Week 12 | ||||||
| Conduct | 56.64 ± 9.19 | 52.56−60.71 | 66.63 ± 14.12 | 59.10−74.15 | 0.012 | |
| Learning | 62.73 ± 15.98 | 55.64−69.81 | 62.25 ± 16.02 | 53.71−70.79 | 0.928 | |
| Psychosomatic | 57.80 ± 16.73 | 49.15−68.10 | 58.63 ± 17.78 | 57.39−65.52 | 0.887 | |
| Hyperactivity/irritability | 61.45 ± 9.17 | 57.39−65.52 | 62.13 ± 11.18 | 56.17−68.08 | 0.840 | |
| Anxiety | 55.91 ± 9.57 | 51.67−60.15 | 52.13 ± 5.52 | 49.18−55.07 | 0.165 | |
| Hyperactivity index | 63.00 ± 9.90 | 58.61−67.39 | 66.25 ± 13.72 | 58.94−73.56 | 0.401 | |
CPRS, Conners’ Parent Rating Scale; SD, standard deviation; CI, confidence interval.