Table 2 Data imputation of pain scores
From: The effect of preoperative dexamethasone on pain 1 year after lumbar disc surgery: a follow-up study
Dexa VAS Back | Placebo VAS Back | P-value | Dexa VAS Leg | Placebo VAS Leg | P-value | |
|---|---|---|---|---|---|---|
Responders only | 22 (16–28) | 20 (14–28) | 0.47 | 26 (19–33) | 17 (10–26) | 0.03 |
Multiple imputation | 22 (20–24) | 20 (18–22) | 0.20 | 24 (22–27) | 17 (16–19) | <0.001 |
Average imputation | 22 (18–27) | 20 (17–24) | 0.53 | 25 (20–30) | 17 (13–21) | 0.03 |
Best case imputation | 11 (7–16) | 11 (7–16) | 1.00 | 10 (5–15) | 10 (5–15) | 1.00 |
Worst case imputation | 44 (36–53) | 44 (37–51) | 1.00 | 47 (38–56) | 48 (39–56) | 0.81 |