Table 3

Spearman’s rank-order correlation analysis between monthly intussusception cases and monthly mean meteorological parameters

ParameterSpearman’s rank-order correlation coefficient (ρ) for meteorological parameters
Temperature (°C)Rainfall (mm)Wind speed (m/s)Humidity (%)Sunshine (hour)
Pooled (n=2161)0.049*0.0120.096†0.0050.051*
Regions
 North (n=370)0.110*−0.0140.183†−0.114*0.119*
 South (n=1081)0.028−0.031−0.024−0.0270.036
 East (n=593)0.061−0.0420.109†−0.102*0.038
 West (n= (117)0.052−0.0440.000−0.0670.076
Age groups
 2–6 months (n=778)0.0350.0310.063†0.0070.044
 7–12 months (n=875)0.064†0.0360.103†0.049*0.048*
 13–24 months (n=508)0.0280.0190.106†0.0430.016
  • Spearman’s rank-order correlation coefficient (ρ); significance two tailed.

  • *Significance level—p value of <0.05.

  • †Significance level—p value of <0.01.