One month after discharge , the tailored intervention group ( n = 10 ) had a higher median level of overall physical activity ( median 2737.5 , IQR 4200.2 ) than the control group ( n = 14 , median 1650.0 , IQR 2443.5 ) , but the difference was not significant ( Kolmogorov-Smirnov Z = 0.823 , P = .38 , r = .17 ) .