Outcome of total analysis using ordered logit about postoperative pain
| Ordered logit analysis (n=140) | ||||||
|---|---|---|---|---|---|---|
| Estimate | p Value | Estimate | p Value | Estimate | p Value | |
| Threshold | ||||||
| No pain | −8.582 | 0.001 | −8.767 | 0.001 | −8.139 | 0.001 |
| Mild pain | −6.399 | 0.013 | −6.583 | 0.009 | −5.955 | 0.017 |
| Moderate pain | −4.742 | 0.063 | −4.926 | 0.048 | −4.298 | 0.083 |
| Intercept | ||||||
| Age | −0.058 | 0.000* | −0.058 | 0.000* | −0.058 | 0.000* |
| Weight | −0.028 | 0.175 | −0.028 | 0.175 | −0.028 | 0.175 |
| Duration of surgery | 0.008 | 0.275 | 0.008 | 0.275 | 0.008 | 0.275 |
| Volume of anaesthetic | −0.278 | 0.175 | −0.278 | 0.175 | −0.278 | 0.175 |
| Sex | ||||||
| Female | −0.453 | 0.327 | −0.453 | 0.327 | −0.453 | 0.327 |
| Male | 0 | – | 0 | – | 0 | – |
| Eye | ||||||
| Left | −0.464 | 0.194 | −0.464 | 0.194 | −0.464 | 0.194 |
| Right | 0 | – | 0 | – | 0 | – |
| PDR | 0.363 | 0.635 | 0.363 | 0.635 | 0.363 | 0.635 |
| RRD | −0.542 | 0.469 | −0.542 | 0.469 | −0.542 | 0.469 |
| Type of disease | ||||||
| Macular diseases | −0.209 | 0.769 | −0.209 | 0.769 | −0.209 | 0.769 |
| RVO | −0.783 | 0.531 | −0.783 | 0.531 | −0.783 | 0.531 |
| Others | 0 | – | 0 | – | 0 | – |
| Ropivacaine group (n=35) | −1.698 | 0.001* | −1.883 | 0.001* | −1.255 | 0.017* |
| Bupivacaine group (n=35) | −0.443 | 0.355 | −0.628 | 0.188 | 0 | – |
| Lidocaine group (n=35) | 0.184 | 0.639 | 0 | – | 0.628 | 0.188 |
| Lido+bupi group (n=35) | 0 | – | −0.184 | 0.693 | 0.443 | 0.355 |
*Statistically significant (p<0.05).
PDR, proliferative diabetic retinopathy; RRD, rhegmatogenous retinal detachment; RVO, retinal vein occlusion.