Volume-related indicators and recurrent shock proportion were not significantly different between under-13 and 13-or-above groups: total fluid volume 160.2± 48.5, 153.7± 48.0 ml / kg; administration duration 29.7± 10.1, 29.1 ±9.3 hours; colloid administration proportion 63.6%, 63.3%; colloid amount 113.2 ± 50.7, 106.6 ± 46.3 ml / kg; albumin administration proportion 3.5%, 4.1%; recurrent shock proportion 9.5%, 12.2%, respectively (all p values >0.05).