There are 8 primary statistics and 4 main derived statistics in E.Ψ.Ǝ: Divine Cybermancy.
Depending on how you allocate points to your skills, your Class may change.
Strength - Affects carry weight and melee damage.
Endurance - Affects health and stamina depletion rate (Stamina is used for PSI abilities, implants, sprinting, and jumping).
Agility - Affects movement speed and melee attack speed.
Accuracy - Affects accuracy with firearms and increases chance to make enemies bleed when hit.
PSI force - Used for PSI powers and resistance.
Hacking - Used to hack people/security and to resist attempts on yourself. Also increases the max hacking range.
Medicine - Affects medkit strength and recharge, and the amount of health healed by maintenance.
Mental balance - Used to resist insanity effects.
Critical - Chance to cause a critical hit.
Superhuman reflex - Chance to dodge attacks (except explosions).
Health - The amount of physical damage your character can take before falling into a coma.
Karma - Character's overall "karma". It affects some things, like chance of being afflicted with fatal wounds upon defeat, for example. It changes according to character's good and bad actions.