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Table 4: One-way sensitivity analysis results: probability of cataract^{^a}
Probability of Cataract Strategy Cost ($) Effectiveness (QALYs) Incremental Cost ($) Incremental Effectiveness (QALYs) Incremental Cost-Effectiveness Ratio ($/QALY)
0 CTAP 147,110 13.81 0 0 
0 TCD 154,719 13.62 7608.40 −0.20 Dominated
0.2 CTAP 147,625 13.80 0 0 
0.2 TCD 154,719 13.62 7094.12 −0.18 Dominated
0.4 CTAP 148,139 13.78 0 0 
0.4 TCD 154,719 13.62 6579.84 −0.17 Dominated
0.6 CTAP 148,653 13.77 0 0 
0.6 TCD 154,719 13.62 6065.56 −0.15 Dominated
0.8 CTAP 149,168 13.75 0 0 
0.8 TCD 154,719 13.62 5551.28 −0.13 Dominated
1 CTAP 149,682 13.73 0 0 
1 TCD 154,719 13.62 5037.00 −0.12 Dominated
↵a In a 1-way sensitivity analysis, CTAP remained the optimal strategy when varying the probability of cataract from 0.0 to 1.0.

Probability of Cataract	Strategy	Cost ($)	Effectiveness (QALYs)	Incremental Cost ($)	Incremental Effectiveness (QALYs)	Incremental Cost-Effectiveness Ratio ($/QALY)
0	CTAP	147,110	13.81	0	0
0	TCD	154,719	13.62	7608.40	−0.20	Dominated
0.2	CTAP	147,625	13.80	0	0
0.2	TCD	154,719	13.62	7094.12	−0.18	Dominated
0.4	CTAP	148,139	13.78	0	0
0.4	TCD	154,719	13.62	6579.84	−0.17	Dominated
0.6	CTAP	148,653	13.77	0	0
0.6	TCD	154,719	13.62	6065.56	−0.15	Dominated
0.8	CTAP	149,168	13.75	0	0
0.8	TCD	154,719	13.62	5551.28	−0.13	Dominated
1	CTAP	149,682	13.73	0	0
1	TCD	154,719	13.62	5037.00	−0.12	Dominated