Initial treatment code | Heller’s myotomy n (%) | Pneumatic dilatation n (%) | P value |
Sex | <0.001 | ||
Male | 1219 (55.7) | 2400 (50.5) | |
Female | 971 (44.3) | 2348 (49.5) | |
Deprivation quintile | 0.251 | ||
1 | 427 (19.5) | 829* (>17.5) | |
2 | 427 (19.5) | 940 (19.8) | |
3 | 444 (20.3) | 983 (20.7) | |
4 | 447 (20.4) | 1019 (21.5) | |
5 | 439 (20.4) | 968 (20.4) | |
Unknown | 6 (0.3%) | <5* (<0.1) | |
Ethnic group | <0.001 | ||
White | 1801 (82.2) | 4172 (87.9) | |
Asian or Asian British | 33 (1.5) | 25 (0.5) | |
Black or Black British | 140 (6.4) | 213 (4.5) | |
Mixed | 74 (3.4) | 125 (2.6) | |
Any other ethnic group | 39 (1.8) | 73 (1.5) | |
Unknown | 103 (4.7) | 140 (2.9) | |
Age quintile | <0.001 | ||
18–38 | 798 (36.4) | 676 (14.2) | |
39–52 | 662 (30.2) | 788 (16.6) | |
53–65 | 457 (20.9) | 934 (19.7) | |
66–77 | 231 (10.5) | 1114 (23.5) | |
78+ | 42 (1.9) | 1236 (26.0) | |
Charlson comorbidity score | <0.001 | ||
0 | 1886 (86.1) | 3673 (77.4) | |
1–4 | 238 (10.9) | 475 (10.0) | |
>4 | 66 (3.0) | 600 (12.6) | |
Total | 2190 | 4748 |
*Value censored from publication due to Hospital Episode Statistics data sharing guidelines to protect subject anonymity.