Table 5 Mean hours spend in each functional state over 48-h
Mean (SD) hours in pain state | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Complete case analysis | MNAR imputation analysis | |||||||||
Functional states | Zav (n = 328) | PBO (n = 313) | Mean difference | Cohen’s D | P-value | Zav ( n = 623) | PBO (n = 646) | Mean difference | Cohen’s D | P-value |
Normal | 39.5 (11.8) | 36.7 (14.5) | + 2.8 | 0.212 | 0.007 | 31.9 (16.9) | 28.2 (18.1) | + 3.7 | 0.211 | < 0.001 |
Mildly impaired | 6.5 (9.2) | 8.8 (11.6) | − 2.3 | −0.227 | 0.006 | 12.3 (13.2) | 15.1 (14.4) | − 2.8 | −0.207 | < 0.001 |
Severely impaired | 1.1 (3.6) | 1.9 (5.0) | − 0.8 | −0.184 | 0.032 | 2.4 (4.6) | 3.4 (6.2) | − 1 | −0.183 | 0.001 |
Requires bedrest | 0.9 (3.9) | 0.7 (2.8) | + 0.2 | 0.059 | 0.520 | 1.4 (4.3) | 1.2 (3.3) | + 0.2 | 0.052 | 0.469 |