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Table 1 Comparison between injected and non-injected side as regards the amount of bleeding and duration of surgery

From: Efficacy of pterygopalatine fossa injection with local anesthetic agent and adrenaline in reduction of intra-operative bleeding during endoscopic sinus surgery

 

Injected

Non-injected

P value

Mean

SD

Median

Minimum

Maximum

Mean

SD

Median

Minimum

Maximum

Duration of surgery in minutes

33.98

16.17

30

15.00

75.00

41.97

11.40

40.00

25.00

75.00

< 0.001

Amount of bleeding in ml

145.50

69.97

125.00

50.00

300.00

173.00

59.10

180.00

90.00

350.00

< 0.001