Utility values, QALYs for each utility measure by study arm along with differences in QALYs at 24 months
| Treatment | Trabeculectomy | Medical management |
| Mean (SD) (n) | Mean (SD) (n) | |
| Effectiveness | ||
| EQ-5D-5L baseline (n=444) | 0.84 (0.18) (222) | 0.84 (0.18) (222) |
| EQ-5D-5L 1 month (n=397) | 0.84 (0.18) (194) | 0.81 (0.20) (203) |
| EQ-5D-5L 3 months (n=365) | 0.84 (0.17) (186) | 0.81 (0.20) (179) |
| EQ-5D-5L 6 months (n=381) | 0.85 (0.18) (186) | 0.82 (0.20) (195) |
| EQ-5D-5L 12 months (n=420) | 0.84 (0.18) (211) | 0.82 (0.16) (209) |
| EQ-5D-5L 18 months (n=365) | 0.83 (0.19) (181) | 0.79 (0.22) (184) |
| EQ-5D-5L 24 months (n=409) | 0.81 (0.18) (203) | 0.80 (0.19) (206) |
| Complete QALYs over 24 months using EQ-5D-5L (n=290) | 1.65 (0.24) (144) | 1.59 (0.28) (146) |
| HUI3 baseline (n=428) | 0.81 (0.20) (214) | 0.80 (0.20) (214) |
| HUI3 1 month (n=377) | 0.79 (0.23) (184) | 0.79 (0.23) (193) |
| HUI3 3 months (n=359) | 0.80 (0.22) (180) | 0.78 (0.22) (179) |
| HUI3 6 months (n=362) | 0.81 (0.22) (180) | 0.78 (0.22) (182) |
| HUI3 12 months (n=400) | 0.83 (0.19) (204) | 0.80 (0.20) (196) |
| HUI3 18 months (n=343) | 0.80 (0.21) (169) | 0.75 (0.26) (174) |
| HUI3 24 months (n=391) | 0.79 (0.23) (198) | 0.75 (0.25) (193) |
| Complete QALYs over 24 months using HUI3 (240) | 1.61 (0.30) (123) | 1.54 (0.36) (117) |
| GUI baseline (n=441) | 0.88 (0.13) (219) | 0.86 (0.13) (222) |
| GUI 1 month (n=399) | 0.86 (0.14) (194) | 0.85 (0.16) (205) |
| GUI 3 months (n=377) | 0.85 (0.13) (187) | 0.84 (0.16) (190) |
| GUI 6 months (n=377) | 0.84 (0.16) (186) | 0.85 (0.14) (191) |
| GUI 12 months (n=413) | 0.86 (0.14) (209) | 0.86 (0.14) (204) |
| GUI 18 months (n=365) | 0.85 (0.14) (181) | 0.83 (0.16) (184) |
| GUI 24 months (n=407) | 0.85 (0.15) (205) | 0.83 (0.18) (202) |
| Complete QALYs over 24 months using GUI (n=293) | 1.67 (0.20) (144) | 1.64 (0.24) (149) |
GUI, Glaucoma Utility Index; HUI3, Health Utilities Index Mark 3; QALY, Quality-Adjusted Life-Year.