Table 1 Sodium levels in Chinese restaurant dishes
From: Sodium content of restaurant dishes in China: a cross-sectional survey
|  | N | Sodium (mg) per 100 g | Sodium (mg) per kcal | ||||||
|---|---|---|---|---|---|---|---|---|---|
Median | P25 | P75 | P value | Median | P25 | P75 | P value | ||
Region | |||||||||
 North | 3829 | 415.7 | 250.7 | 682.8 | < 0.0001 | 3.2 | 1.7 | 6.1 | < 0.0001 |
 South | 4302 | 566.3 | 337.9 | 858.4 | 3.6 | 2.0 | 6.5 | ||
Restaurant size | |||||||||
 Large | 2285 | 466.1 | 278.1 | 763.3 | 0.0286 | 3.4 | 1.8 | 6.7 | 0.0006 |
 Medium | 4162 | 497.5 | 297.7 | 798.0 | 3.5 | 1.9 | 6.5 | ||
Small | 1684 | 491.3 | 302.1 | 767.1 | 3.1 | 1.8 | 5.7 | ||
Dish type | |||||||||
 Cold dish | 950 | 528.4 | 292.1 | 898.4 | < 0.0001 | 4.8 | 2.1 | 10.3 | < 0.0001 |
 Fried dish | 6819 | 480.9 | 291.1 | 762.3 | 3.3 | 1.9 | 6.0 | ||
 Soup | 246 | 687.0 | 409.6 | 1143.3 | 4.3 | 2.3 | 9.3 | ||
Staples/snacks | 116 | 278.4 | 40.1 | 541.6 | 1.1 | 0.2 | 2.3 | ||
Total | 8131 | 487.3 | 291.1 | 781.9 | Â | 3.4 | 1.9 | 6.4 | Â |