Table 3.
Adjusted logistic regression analysis: Odds ratios of Nd:YAG and PCO at 3 and 5 years
| Covariate | Sub-category | Comparator | OR (95% CI) for Nd:YAG | OR (95% CI) for PCO | ||
|---|---|---|---|---|---|---|
| 3 years | 5 years | 3 years | 5 years | |||
| IOL | AMO Tecnis | AcrySof | 2.15a (1.87–2.46) | 1.46a (1.25–1.70) | 1.49a (1.34–1.65) | 1.36a (1.18–1.57) |
| B & L | AcrySof | 4.25a (3.71–4.88) | 2.80a (2.44–3.21) | 2.95a (2.65–3.28) | 2.74a (2.41–3.11) | |
| Lenstec | AcrySof | 5.34a (4.64–6.14) | 3.83a (3.29–4.45) | 3.65a (3.27–4.07) | 3.52a (3.06–4.06) | |
| Rayner | AcrySof | 6.03a (5.20–7.00) | 0.00 (0.00–0.00) | 4.73a (4.21–5.32) | 0.00 (0.00–0.00) | |
| Age category | 71–75 years | 65–70 years | 0.92 (0.81–1.05) | 1.05 (0.90–1.23) | 0.90 (0.81–1.01) | 0.90 (0.78–1.04) |
| 76–80 years | 65–70 years | 0.98 (0.87–1.11) | 1.08 (0.93–1.26) | 0.91 (0.82–1.01) | 0.99 (0.86–1.13) | |
| 81–85 years | 65–70 years | 0.84a (0.74–0.95) | 0.92 (0.79–1.07) | 0.85a (0.77–0.95) | 0.81a (0.70–0.93) | |
| 86–90 years | 65–70 years | 0.74a (0.64–0.85) | 0.72a (0.61–0.86) | 0.69a (0.61–0.78) | 0.61a (0.52–0.72) | |
| ≥90 years | 65–70 years | 0.48a (0.38–0.60) | 0.54a (0.41–0.71) | 0.47a (0.38–0.57) | 0.46a (0.36–0.60) | |
| Gender | Female | Male | 1.16a (1.08–1.26) | 1.24a (1.13–1.36) | 1.18a (1.11–1.26) | 1.20a (1.10–1.31) |
| Number of eyes operated | 2 | 1 | 1.19a (1.10–1.28) | 1.29a (1.18–1.41) | 1.18a (1.10–1.25) | 1.32a (1.22–1.44) |
| Post-operative complications | Yes | No | 3.03a (1.86–4.92) | 4.76a (2.65–8.53) | 4.15a (2.74-6.29) | 4.50a (2.53–8.01) |
| BDVA at index (per 1 logMAR increase) | 0.71a (0.62–0.82) | 0.59a (0.49–0.71) | 0.87a (0.77–0.98) | 0.71a (0.60–0.83) | ||
| IOL power at index (per 1-unit increase) | 0.98a (0.97–0.99) | 0.97a (0.96–0.99) | 0.99a (0.98–1.00) | 0.98a (0.97–0.99) | ||
| Surgeon seniority | Junior trainee | Consultant | 0.95 (0.79–1.15) | NA | 0.98 (0.84–1.15) | 1.02 (0.82–1.27) |
| Senior trainee | Consultant | 0.84a (0.77–0.92) | NA | 0.85a (0.78–0.91) | 0.88a (0.79–0.97) | |
| Pupil size | Large | Small | NA | 1.31 (0.99–1.72) | NA | 1.11 (0.87–1.42) |
| Medium | Small | NA | 1.10 (0.81–1.51) | NA | 0.91 (0.68–1.21) | |
| Use of Vision Blue on date of cataract surgery | Yes | No | NA | NA | 0.80a (0.66–0.97) | 0.76a (0.59–0.99) |
| Copathologies recorded prior to or on index date | Yes | No | 1.42a (1.31–1.53) | 1.22a (1.11–1.34) | 1.53a (1.43–1.63) | 1.37a (1.25–1.49) |
AMO Tecnis group consists of ZCB00; Alcon AcrySof group consists of SA60AT and SN60WF IQ; B & L Akreos group consists of Adapt and MICS MI60; Lenstec group consists of Softec 1 and Softec HD; Rayner Flex group consists of C-Flex 970C and Superflex 920H lenses
ap-value < 0.05