Table 1:
Demographic Characteristics of Study Population
| Single-Stage (n=423) |
Two-Stage (n=624) |
Test Statistic | p | |
|---|---|---|---|---|
| Veau Classification n (%)a | chi2=436.67 | <0.001 | ||
| 1 | 46 (11%) | 2 (0.3%) | ||
| 2 | 262 (65%) | 81 (13%) | ||
| 3 | 73 (16%) | 293 (47%) | ||
| 4 | 31 (8%) | 247 (40%) | ||
| Race n (%)a | chi2=0.52 | 0.47 | ||
| Non-White | 25 (7%) | 32 (5%) | ||
| White | 362 (93%) | 548 (95%) | ||
| Gender n (%)a | chi2=23.08 | <0.001 | ||
| Female | 215 (51%) | 224 (36%) | ||
| Male | 208 (49%) | 400 (64%) | ||
| Insurance n (%)a | chi2=0.02 | 0.45 | ||
| Private | 290 (69%) | 414 (66%) | ||
| Public | 133 (31%) | 210 (34%) | ||
| Median Current Age in Years (IQR)b | 13.23 (9.6, 16.5) | 11.8 (8.5, 15.3) | z=3.77 | <0.001 |
| Median Follow-Up in Years (IQR)b | 11.3 (7.7, 14) | 10.1 (7.1, 13.6) | z=2.14 | 0.032 |
| Median Surgeon Volumec (IQR)b | 86 (27, 186) | 129.5 (57, 244.5) | z=−7.76 | <0.001 |
| Median Years of Surgeon Experience (IQR)b | 17.2 (7.4, 21.9) | 17.4 (8.0, 22.8) | z=−1.15 | 0.249 |
| Median Age in Months at First CP Surgery (IQR)b | 9.7 (8, 11.3) | 3.2 (2.2, 4.64) | z=21.87 | <0.001 |
| Median Age in Months at Definitive CP Closure (SD)b | 9.8 (8.1, 11.4) | 11.7 (9.8, 17.4) | z=−11.54 | <0.001 |
| Median Age in months at Hard Palate Closure (IQR)b | 9.8 (8.1, 11.4) | 36.9 (20.9, 48.2) | z=−21.92 | <0.001 |
| Median Total Cleft-Related Surgeriesd (IQR)b | 2 (1,4) | 6 (5, 8) | z=−20.37 | <0.001 |
| Median Total Cleft-Related Surgeriesd (IQR), excluding prosthesis-onlyb | 2 (1,4) | 5 (4, 8) | z=−17.93 | <0.001 |
Abbreviations: CP,Cleft Palate; SD, Standard Deviation; IQR, Interquartile Range
a
Compared with Pearson’s chi2
b
Compared with Wilcoxon rank-sum
c
Volume of definitive repairs performed during study period on day of definitive repair
d
Represents a sub-set (418) of total study population