Table 2.
Summary of baseline patient characteristics and the OBPS between pooled prospective trials and clinical practice diary studies data
| Patient characteristic | Pooled prospective trials | Pooled clinical practice diary trials |
|---|---|---|
| N = 715 (%) | N = 657 (%) | |
| Age, y, mean (SD) | 58.2 (12.2)a | 59.3 (11.3) |
| Age > 70 y | 136 (19.0)a | 124 (18.9) |
| Female sex | 377 (52.7) | 349 (53.1) |
| Avg bowel mvmt per day, mean (SD) | 1.4 (1.0) | 1.7 (1.7) |
| Comorbidities | 30 (6.0)b | 259 (39.4) |
| Indication for scope | ||
| Asymptomatic | 439 (61.4) | 328 (49.9) |
| Symptomatic | 274 (38.3) | 211 (32.1) |
| Scope incomplete | 42 (6.3) | 11 (1.7) |
| OBPS, mean (SD) | 4.8 (2.7) | 5.7 (2.9) |
All values are number (percentage) of patient characteristic in each study, unless otherwise specified.
aAfter excluding the prospective trial specifically looking at bowel preparations in the elderly, the mean age (SD) was 56.9 (11.7) and the number of patients with age >70 years was 87 (12.2%), both significantly different form the clinical practice diary studies with P < 0.0001.
bSince comorbidities data was only available from Hookey and Vanner, 2009, Fowler et al., 2009, and Flemming et al., 2012. This amounted to N = 498 for the purposes of calculating comorbidities.