Table 1.
Patient demographics according to treatment
| Characteristics | Minimally-invasive pyeloplasty (n=1125) | Open pyeloplasty (n=775) | Endopyelotomy (n=1315) | P-value* |
|---|---|---|---|---|
| Age, mean (SD) | 41 (15) | 43 (15) | 49 (13) | <0.001 |
| Gender (%) | 0.69 | |||
| Male | 459 (41) | 319 (41) | 519 (39) | |
| Female | 666 (59) | 456 (59) | 796 (61) | |
| Comorbidity (%) | 0.39 | |||
| 0 | 975 (87) | 662 (85) | 1114 (85) | |
| 1 or more | 150 (13) | 113 (15) | 201 (15) | |
| Benefit plan type (%) | 0.03 | |||
| HMO | 130 (12) | 101(13) | 161 (12) | |
| PPO | 769 (68) | 480 (62) | 843 (64) | |
| Other | 226 (20) | 194 (25) | 311 (24) | |
| Employment classification (%) | <0.001 | |||
| Non-salaried | 251 (22) | 212 (27) | 372 (28) | |
| Salaried | 248 (22) | 131 (17) | 180 (14) | |
| Unknown | 626 (56) | 432 (56) | 763 (58) | |
| Employment status (%) | 0.01 | |||
| Non-full time | 664 (59) | 466 (60) | 850 (65) | |
| Full time | 461 (41) | 309 (40) | 465 (35) | |
| MSA status (%) | <0.001 | |||
| Non-MSA | 157 (14) | 147 (19) | 283 (22) | |
| MSA | 968 (86) | 628 (81) | 1032 (78) | |
| Region of residence (%) | <0.001 | |||
| Northeast | 157 (14) | 86 (11) | 146 (11) | |
| North Central | 343 (30) | 211 (27) | 268 (20) | |
| South | 466 (41) | 345 (45) | 669 (51) | |
| West | 147 (13) | 123 (16) | 215 (16) | |
| Unknown | 12 (1) | 10 (1) | 17 (1) | |
| Failure (%) | 82 (7) | 69 (9) | 196 (15) | <0.001 |
| Year of treatment (%) | <0.001 | |||
| 2002** | 5 (<1) | 36 (5) | 37 (3) | |
| 2003 | 27 (2) | 85 (11) | 81 (6) | |
| 2004 | 54 (5) | 86 (11) | 128 (10) | |
| 2005 | 90 (8) | 92 (12) | 134 (10) | |
| 2006 | 115 (10) | 89 (11) | 162 (12) | |
| 2007 | 157 (14) | 97 (13) | 199 (15) | |
| 2008 | 240 (21) | 116 (15) | 222 (17) | |
| 2009 | 255 (23) | 109 (14) | 200 (15) | |
| 2010 | 182 (16) | 65 (8) | 152 (12) |
Abbreviations: HMO, health maintenance organization; MSA, metropolitan statistical area; PPO, preferred provider organization; SD, standard deviation
*
P-values generated from chi-square tests for categorical variables and ANOVA tests for continuous variables.
**
Other includes comprehensive, exclusive provider organization, point of service, point of service with capitation, consumer directed health plan, and missing
***
The number of patients in 2002 is lower across treatment types due to the need to have 6 months of data available prior to the treatment date in order to calculate patient comorbidity.
Percentages may not add to 100 due to rounding.