Table 4 Numbers of CT scans per patient, by quintiles of Townsend deprivation scores.
From: Socio-economic variation in CT scanning in Northern England, 1990-2002
Townsend Quintiles | ||||||
|---|---|---|---|---|---|---|
No. of scans | 1 N (%) | 2 N (%) | 3 N (%) | 4 N (%) | 5 N (%) | Total N (%) |
1 | 1924 (62) | 1921 (57) | 2297 (57) | 2640 (58) | 2707 (60) | 11489 (59) |
2 | 730 (24) | 857 (26) | 1092 (27) | 1211 (27) | 1133 (25) | 5023 (26) |
3 | 129 (4.1) | 170 (5.1) | 184 (4.6) | 190 (4.2) | 201 (4.5) | 874 (4.5) |
4 | 133 (4.3) | 198 (5.9) | 194 (4.8) | 221 (4.9) | 209 (4.7) | 955 (4.9) |
5 | 48 (1.6) | 38 (1.1) | 56 (1.4) | 53 (1.2) | 57 (1.3) | 252 (1.3) |
6 | 42 (1.4) | 56 (1.7) | 63 (1.6) | 64 (1.4) | 54 (1.2) | 279 (1.4) |
7 | 15 (0.5) | 23 (0.7) | 26 (0.7) | 30 (0.7) | 13 (0.3) | 107 (0.6) |
8 | 20 (0.7) | 25 (0.8) | 26 (0.7) | 32 (0.7) | 40 (0.9) | 143 (0.7) |
9 | 6 (0.2) | 5 (0.2) | 10 (0.3) | 10 (0.2) | 11 (0.2) | 42 (0.2) |
10 | 11 (0.4) | 14 (0.4) | 12 (0.3) | 21 (0.5) | 21 (0.5) | 79 (0.4) |
11-20 | 21 (0.7) | 37 (1.1) | 44 (1.1) | 53 (1.2) | 35 (0.8) | 190 (1.0) |
> 20 | 12 (0.4) | 9 (0.3) | 9 (0.2) | 13 (0.3) | 9 (0.2) | 52 (0.3) |
Total | 3091 | 3353 | 4013 | 4538 | 4490 | 19485 |