Statistics ( ) - Term Paper Example

32.2%) of the patients belong to the age group “25-40”, 83 (26.3%) of the patients belong to the age group “40-55” and 36 (11.4%) of the patients belong to the age group “>=55”. Interpretation: From the above table (Table No.3), it is observed that 168 (53.2%) of the patients had filling as procedure of diagnosis, 25 (7.9%) of the patients had “fit or prepare crown” as procedure of diagnosis, 41 (13%) of the patients had “root canal therapy” as procedure of diagnosis and 82 (25.9%) of the patients had “extraction” as procedure of diagnosis.

Interpretation: From the above table (Table No.4) it is observed that 266 (84.2%) of the patients had reported success of the anaesthesia in killing pain and 50 (15.8%) of the patients had reported failure of the anaesthesia in killing pain. The pain level was divided into three groups based on the intensity of the pain. Pain levels 0, 1 and 2 were coded as “Low”, pain levels 3,4,5 and 6 were coded as “Medium” and pain level 7,8, 9 and 10 were coded as “High”. Interpretation: From the above table (Table No.5) it is observed that 184 (58.2%) of the patients had low pain, 70 (22.2%) of the patients had medium pain and 62 (19.6%) of the patients suffered from high pain.

From the above chi square analysis table (Table No.7), since the chi square observed value (243.342) is much greater than the expected value (5.99) with probability less than 0.01 (