Table 3.

Medicoeconomic data for full analysis set

	Ultrasonic scissors (n = 606)	Conventional haemostasis (n = 595)	P *
Duration of procedure (min)			< 0·001
Mean(s.d.)	97(39)	107(46)
Median (i.q.r.)	90 (70–115)	100 (75–129)
Initial length of stay (days)			0·853
Mean(s.d.)	2·7(0·9)	2·7(0·9)
Median (i.q.r.)	3 (2–3)	3 (2–3)
Cost of human resources (€)			< 0·001
Mean(s.d.)	463(174)	502(202)
Median (i.q.r.)	431 (345–540)	462 (358–608)
Operating room costs (€)			0·032
Mean(s.d.)	1148(388)	1199(422)
Median (i.q.r.)	1066 (869–1335)	1106 (909–1422)
Device cost (€)	565	265	< 0·001
Bed‐days cost (€)			0·594
Mean(s.d.)	1779(555)	1762(535)
Median (i.q.r.)	1918 (1279–1918)	1918 (1279–1918)
Total cost of procedure (€)			< 0·001
Mean(s.d.)	2176(555)	1966(616)
Median (i.q.r.)	2065 (1803–2419)	1845 (1524–2294)
Total cost of initial admission (€)			< 0·001
Mean(s.d.)	3954(792)	3728(831)
Median (i.q.r.)	3865 (3433–4372)	3579 (3167–4160)
No. of patients with ≥ 1 outpatient consultation	519 (77·4)	527 (86·7)	0·160
No. of consultations per patient			0·772
Mean(s.d.)	4·3(4·9)	4·3(4·6)
Median (i.q.r.)	3 (2–5)	3 (2–5)
No. of patients with repeat hospital admission	34 (5·6)	27 (4·5)	0·397
Cost of consultations and readmissions at 6 months (€)			0·323
Mean(s.d.)	357(1272)	283(1321)
Median (i.q.r.)	84 (46–138)	84 (46–138)
Time off work (days)			0·061
Mean(s.d.)	12(25)	15(31)
Median (i.q.r.)	0 (0–15)	0 (0–19)
Compensation for time off work (€)			0·059
Mean(s.d.)	457(1017)	584(1293)
Median (i.q.r.)	0 (0–518)	0 (0–690)
Total direct cost at 6 months (€)			< 0·001
Mean(s.d.)	4311(1547)	4011(1596)
Median (i.q.r.)	4009 (3519–4535)	3702 (3255–4356)
Total direct + indirect costs at 6 months (€)			0·143
Mean(s.d.)	4769(1970)	4595(2140)
Median (i.q.r.)	4281 (3779–5084)	4122 (3520–5028)

Values in parentheses are percentages unless indicated otherwise.

^*Student's t or Mann–Whitney U test.