Comparison of High-resolution Manometry Diagnosis Between the Starlet and Other High-resolution Manometry Systems Before and After Propensity Score Matching
| Variables | Before matching | After matching | ||||
|---|---|---|---|---|---|---|
| Starlet (n = 1824) |
ManoScan and Sandhill (n = 285) |
Starlet (n =285) |
ManoScan and Sandhill (n =285) |
|||
| Type I achalasia | 1073 (58.8%) | 37 (13.0%) | < 0.001 | 215 (75.4%) | 37 (13.0%) | < 0.001 |
| Type II achalasia | 663 (36.3%) | 218 (76.5%) | < 0.001 | 59 (20.7%) | 218 (76.5%) | < 0.001 |
| Type III achalasia | 88 (4.8%) | 30 (10.5%) | < 0.001 | 11 (3.9%) | 30 (10.5%) | 0.003 |
| Sex (male) | 919 (50.4%) | 124 (43.5%) | 0.035 | 140 (49.1%) | 124 (43.5%) | 0.208 |
| Age at diagnosis (mean [SD]) | 49.7 (17.0) | 52.0 (18.5) | 0.036 | 54.1 (17.5) | 52.0 (18.5) | 0.173 |