Table 4 AD prevalence stratified by age subgroup.
From: Prevalence of Atopic Dermatitis in Chinese Children aged 1–7 ys
Metropolis | Prevalence stratified by age subgroup | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
1–2 ys | 2–3 ys | 3–4 ys | 4–5 ys | 5–6 ys | 6–7 ys | |||||||
N | AD (%) | N | AD (%) | N | AD (%) | N | AD (%) | N | AD (%) | N | AD (%) | |
Chengdu | 62 | 24 (38.71) | 28 | 10 (35.71) | 77 | 28 (36.36) | 84 | 19 (22.62) | 117 | 13 (11.10) | 114 | 25 (21.93) |
Hefei | 84 | 24 (28.57) | 51 | 17 (33.33) | 73 | 10 (13.70) | 129 | 25 (19.38) | 140 | 25 (17.86) | 40 | 4 (10.00) |
Taiyuan | 108 | 31 (28.70) | 81 | 16 (19.75) | 113 | 25 (22.12) | 129 | 20 (15.50) | 125 | 18 (14.40) | 47 | 9 (19.15) |
Chongqing | 130 | 39 (30.00) | 63 | 14 (22.22) | 113 | 16 (14.16) | 97 | 13 (13.40) | 108 | 10 (9.26) | 45 | 6 (13.33) |
Wuhan | 98 | 29 (29.59) | 56 | 9 (16.07) | 180 | 28 (15.56) | 190 | 32 (16.84) | 167 | 25 (14.97) | 73 | 6 (8.22) |
Dalian | 152 | 31 (20.39) | 84 | 13 (15.48) | 171 | 14 (8.19) | 140 | 23 (16.43) | 69 | 13 (18.84) | 63 | 8 (12.70) |
Changsha | 240 | 18 (7.50) | 198 | 20 (10.10) | 218 | 34 (15.60) | 236 | 47 (19.92) | 270 | 44 (16.30) | 116 | 17 (14.66) |
Shenyang | 198 | 27 (13.64) | 115 | 12 (10.43) | 214 | 28 (13.08) | 257 | 29 (11.28) | 149 | 16 (10.74) | 106 | 11 (10.38) |
Shenzhen | 282 | 61 (21.63) | 168 | 17 (10.12) | 225 | 22 (9.78) | 334 | 32 (9.58) | 382 | 37 (9.69) | 98 | 13 (13.27) |
Nanjing | 117 | 37 (31.62) | 91 | 16 (17.58) | 207 | 19 (9.18) | 226 | 11 (4.87) | 252 | 25 (9.92) | 133 | 9 (6.77) |
Shanghai | 449 | 82 (18.26) | 271 | 26 (9.59) | 352 | 32 (9.09) | 562 | 56 (9.96) | 579 | 52 (8.98) | 334 | 25 (7.49) |
Beijing | 593 | 98 (16.53) | 295 | 37 (12.54) | 519 | 43 (8.29) | 720 | 30 (4.17) | 559 | 33 (5.90) | 337 | 31 (9.20) |
Total | 2513 | 501 (19.94) | 1501 | 207 (13.79) | 2462 | 299 (12.14) | 3104 | 337 (10.86) | 2917 | 311 (10.66) | 1501 | 156 (10.39) |
