Table 2.

Data inputs used to estimate the outcomes for the ‘Lost Health Outcomes’

Parameter	Estimate	Distribution used for uncertainty
Health utility for cases with specific wound type
Arterial: baseline	0.44	Beta (0.24, 0.30)	Singapore Wound Registry
Venous: baseline	0.57	Beta (0.60, 0.46)
Diabetic: baseline	0.64	Beta (0.21, 0.12)
Pressure: baseline	0.18	Normal (−0.18, 0.50)
Arterial: month 1	0.52	Beta (0.23, 0.21)
Venous: month 1	0.68	Beta (0.89, 0.41)
Diabetic: month 1	0.71	Beta (0.04, 0.02)
Pressure: month 1	0.00	Normal (0.00, 0.56)
Arterial: month 3	0.54	Beta (0.13, 0.11)
Venous: month 3	0.74	Beta (0.81, 0.28)
Diabetic: month 3	0.72	Beta (0.28, 0.11)
Pressure: month 3	0.18	Normal (0.18, 0.54)
Arterial: month 6	0.58	Beta (0.16, 0.12)
Venous: month 6	0.74	Beta (0.83, 0.28)
Diabetic: month 6	0.74	Beta (0.05, 0.02)
Pressure: month 6	0.11	Normal (0.11, 0.59)
Population normal utility (by age group)
<40	0.980	Beta (350, 7)	23
40–49	0.950	Beta (636, 33)
50–59	0.940	Beta (535, 34)
60–69	0.960	Beta (193, 8)
70–79	0.890	Beta (189, 23)
≥80	0.890	Beta (189, 23)
Value of one QALY ($)	80 000	Fixed	24
Durations of arterial wounds in days (by age group)
<40	133	Normal (133, 92)	Singapore Wound Registry
40–49	129	Normal (129, 109)
50–59	331	Normal (331, 394)
60–69	223	Normal (223, 269)
70–79	307	Normal (307, 438)
≥80	205	Normal (205, 153)
Durations of venous wounds in days (by age group)
<40	133	Normal (133, 92)
40–49	129	Normal (129, 109)
50–59	331	Normal (331, 394)
60–69	223	Normal (223, 269)
70–79	307	Normal (307, 438)
≥80	205	Normal (205, 153)
Durations of diabetic wounds in days (by age group)
<40	177	Normal (177, 88)
40–49	325	Normal (325, 550)
50–59	224	Normal (224, 216)
60–69	314	Normal (314, 430)
70–79	256	Normal (256, 305)
≥80	160	Normal (160, 138)
Durations of pressure injury in days (by age group)
<40	55	Normal (55, 11)
40–49	86	Normal (86, 24)
50–59	115	Normal (115, 1)
60–69	103	Normal (103, 59)
70–79	105	Normal (105, 115)
≥80	62	Normal (62, 52)

QALY, quality-adjusted life year.