Table 2 Experimental parameters measured between groups at the beginning
| Â | n | OLPI mean (SE) | 95% Confidence interval | n | API mean (SE) | 95% Confidence interval | n | NPI mean (SE) | 95% Confidence interval | Sig. |
|---|---|---|---|---|---|---|---|---|---|---|
14 | Â | Â | 13 | Â | Â | 15 | Â | Â | Â | |
Tinetti balance (0–16) |  | 13.6(.53) | 12.80—14.47 |  | 13.4(.55) | 12.45—14.46 |  | 13.9 (51) | 12.47—15.39 | n.s |
Tinetti gait (0–12) |  | 11.5(.31) | 10.95—12.04 |  | 11.5(.32) | 10.81—12.26 |  | 11.6(.299) | 10.88–12.31 | n.s |
Digit span test forward (0–16) |  | 8.7 (.53) | 7.64–9.92 |  | 8(.55) | 7.11–8.88 |  | 9.6(.513) | 8.29—10.90 | n.s |
Digit span test backward (0–14) |  | 6.0(.47) | 5.06—6.93 |  | 5.5(.49) | 4.34—5.96 |  | 6.6(.46) | 5.36—7.83 | n.s |
Corsi block-tapping test forward (0–16) |  | 6.7(.45) | 5.85—7.57 |  | 7(.475) | 6.25—7.74 |  | 6.6(.442) | 5.45—7.88 | n.s |
Corsi block-tapping test backward (0–14) |  | 6.42(.40) | 5.53—7.32 |  | 7(.42) | 6.25—7.74 |  | 6.2(.39) | 5.25—7.14 | n.s |
Hazard perception test for pedestrians (0–5) |  | 1.56(.18) | 1.13—1.99 |  | 1.38(.18) | 1.07—1.69 |  | 1.93(.17) | 1.52—2.34 | n.s |