Building tower performance variable

Study group

Mean ± SD

Control group

Mean ± SD

p-value

(within groups)

Pre-treatment

53.00 ± 2.07

52.27 ± 2.96

0.4386

Post-treatment

51.53 ± 1.81

52.20 ± 2.34

0.2292

Improvement %

2.77%

0.13%

0.0022

p-value (within groups)

0.0001

0.8550