Table 1 Comparison of gender, age, and seasonal distribution between the two groups
Clinical index | MPNP group (n = 11) | MPNP group (n = 20) | Z/χ2 | P value |
|---|---|---|---|---|
Female (n, %) | 6,54.55% | 14,70.00% | – | 0.255a |
Age (years) | 5.0 (2.0–7.0) | 3.5 (1.5–9.7) | −0.248 | 0.804 |
0–3 years | 4 (36.36%) | 10 (50%) | 3.147 | 0.207 |
3–6 years | 3 (27.27%) | 1 (5%) | ||
6–14 years | 4 (36.36%) | 9 (45%) | ||
Spring | 1 (9.09%) | 4 (20%) | 2.898 | 0.408 |
Summer | 1 (9.09%) | 5 (25%) | ||
Autumn | 3 (27.27%) | 2 (10%) | ||
Winter | 6 (54.55%) | 9 (45%) |