Topical Anesthesia for Cataract Surgery: The Patients' Perspective

Table 6

(a) The relation between age groups and both mean total pain score and mean pain score per stage. (b) Statistics of the relations between age groups and both mean total pain score and mean pain score per stage.

(a)

Ranks
	Age	𝑁	Mean rank
Total pain score	40–59	17	23,62
	60–75	20	29,70
	76–97	19	31,61
	Total	56
Stage 1	40–59	17	30,56
	60–75	20	28,50
	76–97	19	26,66
	Total	56
Stage 2	40–59	17	21,32
	60–75	20	31,18
	76–97	19	32,11
	Total	56
Stage 3	40–59	17	24,79
	60–75	20	30,00
	76–97	19	30,24
	Total	56

𝑁: number.

(b)

Test statistics^a,b
	Total pain score	Stage 1	Stage 2	Stage 3
Chi-square	2,563	,912	5,763	2,199
df	2	2	2	2
Asymp. Sig.	,278	,634	,056	,333

Asymp. Sig.: asymptotic significance.
^aKruskal-Wallis test.
^bGrouping variable: age.