highly significantP < 0.001
VAS score on coughing showed statistically highly significant difference ( P < 0.001) with a mean of 2.03 ± 0.65 in study group and 3.71 ± 0.52 in control group [ Figure 2 ].
VAS score on coughing showed statistically highly significant difference ( P < 0.001) with a mean of 2.03 ± 0.65 in study group and 3.71 ± 0.52 in control group [ Figure 2 ].