Table 2. The comparisons of SBP and DBP before and after surgery in two groups.

Parameters	Pre-operative	Post-operative	Differences	t; P
PC group (n=79)
SBP	124.89±20.48 (82, 167)	130.13±22.59 (85, 165)	5.24±17.72	1.716; 0.094
DBP	71.88±9.81 (52, 92)	73.41±11.62 (42, 90)	1.54±10.52	0.926; 0.359
FS group (n=127)
SBP	126.98±16.85 (86, 161)	134.77±17.52 (96, 177)	7.79±16.67	3.363; 0.001a
DBP	73.56±10.03 (50, 94)	78.89±12.2 (33, 98)	5.33±13.02	2.805; 0.007a

FS group: Femtosecond laser-assisted cataract surgery group; PC group: Patients receiving the traditional manual phacoemulsification; SBP: Systolic blood pressure; DBP: Diastolic blood pressure. ^aP<0.05.

x±s (range); mm Hg