Is there a weekend effect in hip fracture patients presenting to a United Kingdom teaching hospital?

Table 1 Baseline characteristics, grouped by time of week admitted

Explanatory variable	Classification	Time of week
		Weekday	Weekend
Age, yr mean (SD)	46.4-100.9 (P = 0.779)2	83.1 (8.4)	82.6 (9.3)
Gender	Male	169	65
	Female	412	170
	(Female %) (P = 0.733)1	(70.90%)	(72.30%)
ASA grade median (IQR)	1-5 (P = 0.282)2	3 (1)	3 (1)
AMTS median (IQR)	0-10 (P = 0.924)2	8 (5)	8 (5)
Fracture type	Intertrochanteric	217	92
	Intracapsular - displaced	287	99
	Intracapsular - undisplaced	48	31
	Subtrochanteric	29	13
	(% Intracapsular-displaced) (P = 0.097)1	(49.40%)	(42.10%)
Admitted from	Own home	417	191
	Other	110	44
	(% Own home) (P = 1.00)1	(81.10%)	(81.30%)
Ability to walk outdoors	Wheelchair/bedbound/electric buggy	173	65
	Never goes outdoors
	Two aids	54	20
	One aids	154	60
	No aids	200	90
	(% Wheelchair, etc.) (P = 0.780)1	(29.80%)	(27.70%)
Accompaniment outdoors	Wheelchair/bedbound/electric buggy	88	31
	Never goes outdoors
	Yes	193	86
	No	300	118
	(% Wheelchair, etc.) (P = 0.604)1	(15.10%)	(13.20%)
Season	Spring	133	61
	Summer	183	54
	Autumn	160	73
	Winter	105	47
	(% Winter) (P = 0.108)1	(18.10%)	(20.00%)
Time of week	Weekday	581	0
	Weekend	0	235

¹Fisher’s Exact test;

²Mann-Whitney U test. SD: Standard deviation; IQR: Interquartile range.