Task durations (and SD) in minutes from defined tasks during the OR sessions studied
| Institution/OR list studied | 1 | 2 | 3A | 3B | 3C | 4 | 5 | Average |
| Existing average number of cases per list | 6 | 6 | 7.5 | 9 | 13.5 | 7 | 13 | 8.9 |
| Theatre utilisation quotient (assuming no cancellations) | 74.8% | 73.2% | 75.4% | 76.4% | 82.7% | 59.3% | 87.9% | 75.6% |
| Efficiency quotient | 66.0% | 65.2% | 66.4% | 71.9% | 76.1% | 65.6% | 75.8% | 69.6% |
| Surgery quotient | 53.2% | 42.4% | 44.0% | 42.9% | 52.9% | 56.1% | 56.7% | 49.7% |
| Average time between cases (SD) | 3.75 (1.98) | 7.1 (3.67) | 6.17 (2.43) | 4.9 (56) | 1.53 (0.7) | 1.4 (1.12) | 3.4 (1.4) | 4.04 (2.41) |
| Average time from patient entering theatre to start of operation (SD) | 8.65 (3.12) | 6.67 (2.72) | 2.86 (1.18) | 2.87 (0.58) | 2.45 (2.2) | 5.25 (1.98) | 1.43 (0.88) | 4.31 (2.35) |
| Average time for patient to exit theatre after operation (SD) | 2.1 (1.1) | 3.2 (1.03) | 2.05 (0.65) | 1.93 (0.4) | 1.25 (0.3) | 2.53 (1.03) | 1.08 (0.48) | 2.02 (0.57) |
| Average surgical time (SD) | 15.98 (3.93) | 12.4 (2.8) | 10.63 (2.53) | 8.1 (0.6) | 7.43 (1.47) | 11.43 (2.61) | 7.55 (3.38) | 10.5 (2.47) |
| Average time surgeon spends on paperwork (SD) | 0.87 (0.37) | 3.7 (1.45) | 1.85 (0.93) | 1.88 (0.62 | 0 | 0 | 0.95 (0.42) | 1.32 (0.54) |
| Average surgeon scrub time (SD) | 2.33 (0.75) | 2.32 (1.1) | 1.92 (0.57) | 1.98 (0.78) | 1.43 (0.4) | 1.43 (0.37) | 1.6 (0.53) | 1.86 (0.64) |
| Average nurse scrub time (SD) | 2.4 (0.8) | 2.13 (0.7) | 3.77 (1.28) | 2.85 (0.97) | 2.95 (0.33) | 2.4 (1.07) | 1.47 (0.8) | 2.56 (0.85) |
| Average nurse time to prepare scrub trolley (SD) | 4.98 (1.55) | 4.1 (1.4) | 7.95 (0.88) | 8.03 (1.72) | 7.17 (1.5) | 5.6 (1.9) | 5.27 (1.53) | 6.16 (1.5) |
| Average nurse time to prepare phacoemulsification machine (SD) | 2.72 (2.72) | 4.18 (1.8) | 3.15 (1.05) | 2.82 (0.65) | 2.6 (0.65) | 3.9 (1.37) | 2.07 (0.8) | 3.06 (1.29) |
| Average nurse time to clear equipment (SD) | 3.68 (0.68) | 3.48 (1.07) | 5.35 (1.53) | 4.93 (1.47) | 6.37 (1.03) | 7.5 (2.08) | 3.48 (2.07) | 4.97 (1.42) |
| Average time spent on WHO checklist (SD) | 0.65 (0.27) | 0.67 (0.17) | 0.7 (0.27) | 0.45 (0.15) | 0.27 (0.1) | 0.52 (0.18) | 0.73 (1.08) | 0.57 (0.32) |
OR, operating room.