Table 2.

Fractures, operations and hospitalization – the effect of the calendar

Day	Fractures/day	Fractures, n	Fractures that were hospitalized, n	Fractures that were hospitalized (%)	Difference, p-value (reference: school days)	Fractures that were operated, n	Fractures that were operated on (%)	Difference, p-value (reference: school days)
Holidays	4.96	483	63	13.04	N/S	30	6.21	N/S
Summer vacation	4.45	259	56	21.62	< 0.01	34	13.13	<0.01
School days	6.62	1916	244	12.73	N/S	122	6.37	N/S
Saturdays	3.67	333	42	12.61	N/S	24	7.21	N/S
Total	5.99	2991	405	13.54	N/S	210	7.02	N/S

N/S, not significant

p-values determined by chi-squared T-test