Table 3.
Micro costing analysis for reusable cystoscope and Isiris
| Reusable cystoscope | Calculation | |
|---|---|---|
| Total number of cystoscopies during 2019 | 2617 | |
| Cost of the cystoscope purchase (£) | £17500 | |
| Number of cystoscopes | 16 | |
| Number of cystoscope breakage during 2019 | 7 | |
| Washing machine purchase cost (£) | £61500 | |
| Number of washing machines | 5 | |
| Maintenance and repair contract cost (£) for all cystoscopes (16 cystoscopes) | £39920 (£2495/scope) | |
| Numbers of reprocessing during 2019 for all scopes | 9238 | |
| Cystoscope amortization (amortization period of 5 years): | £21.4 | (17500x16)/(2617x5) |
| Cost of a single cystoscopy using a re-usable scope | £21.4 | |
| Monitor | ||
| Monitor purchase cost (£) | £5526 | |
| Number of monitors | 2 | |
| Monitor amortization cost per procedure (amortization period of 10 years) | £0.42 | (5526x2)/(10x2617) |
| Room immobilization cost | ||
| Endoscopy room | £226.4/30 minutes | |
| Average procedure duration in endoscopy (Group A) | 14.54 minutes | |
| Group A room occupancy procedure cost | £109.3 | (14.54 x 226.92)/30 |
| Outpatient clinic room | £30.3/30 minutes | |
| Average procedure duration in endoscopy (Group B) | 2.19 minutes | |
| Group B room occupancy procedure cost | £2.12 | (2.19 x 34.8)/30 |
| Reprocessing consumables | ||
| Equipment used | Cost per unit/ number of units needed | Cost/item |
| Hair Cover | 0.05/ 2 | 0.100 |
| Pop-up face shield | 0.43/ 2 | 0.860 |
| Drop-down face shield | 2.5/ 2 | 5.000 |
| Surgical mask | 0.05/ 2 | 0.100 |
| Exam gloves (pair) | 0.26/ 7 | 1.820 |
| Extended-cuff gloves (pair) | 0.76/ 2 | 1.520 |
| Impermeable apron | 2.83/ 2 | 5.660 |
| Shoe covers (pair) | 0.09/ 2 | 0.180 |
| Reusable cloth | 0.08/ 3 | 0.240 |
| Single-use sponge | 1.4/ 1 | 1.400 |
| Single-use port/valve brush | 6.25/ 1 | 6.250 |
| Single-use channel brush | 3/ 1 | 3.000 |
| Disinfectant wipes for sinks and counters | 0.17/ 4 | 0.680 |
| Disinfectant (Aplan A&B) | 4.75/ 5 | 23.750 |
| Sterile water 5 L (tap water) | 7/ 1 | 7.000 |
| Protein test (1/week) | 10.08/ 1 | 10.080 |
| Total cost of reprocessing consumables | £67.64 | |
| Cumulative staff time for scope reprocessing procedure | 39.89 minutes | |
| Other cost | ||
| Re-processing wages (average wage: £32.9/hr) | £21.9 | (32.9x39.89)/60 |
| Washing machine amortization (amortization period of 10 years) | £3.33 | (61500x5)/(9238x10) |
| Maintenance and repair cost per procedure | £15.3 | 39920/2617 |
| Treatment of complications (URS cost £1212/procedure) | £98.2 | (1212x3)/37 |
| Waste process cost for single use Isiris per scope | £0.5 |